Tag Archives: agriculture

Three elevators near Bozeman, Montana, provide a little variety

by baggyparagraphs

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Flying into the Bozeman Yellowstone International Airport the other day delivered a pleasant surprise in the form of three handsome elevators soon after we drove away from the passenger terminal.

One elevator was right there in Belgrade, Montana, where the airport is. It was an old house adapted to operate with metal silos.

Another had concrete silos, and a third looked like a simple wooden house.

These photos are all we can offer. The elevators weren’t Tillotson or Mayer-Osborn jobs, but we were excited to see them and now share with eagerness. Perhaps at a future time we can learn more details.

 

The Minatare, Nebraska, concrete elevator mystery solved

by kocart

The Minatare elevator was an intriguing photography subject.

Story and photos by Kristen Cart

My dad, Jerry Osborn, and I were traveling in western Nebraska on a three-day road trip to visit old friends and family when we happened upon the Minatare elevator built by Tillotson Construction. I immediately suspected that it was a special find. I asked my dad to be prepared for an afternoon of investigation, so after our visit with his cousins in Scotts Bluff, we began our inquiry in earnest.

Our first view of the elevator.

The name Minatare rang a bell, and I thought it might be home to an early elevator, catalogued in the Tillotson Construction Company records. But I didn’t have any way to check, being well out of cellphone range, and began to doubt my memory. Perhaps Minatare’s elevator was featured in an early postcard, one of hundreds I had examined on Ebay, while looking through old elevator images. I couldn’t remember where I had seen the name before.

Only the old-fashioned gumshoe method was going to work. Dad went along on our mission in good humor. For a good part of it, he spent his time comfortably hanging out in the air-conditioned car, while I called upon local people and shot every possible camera view.

So how do you check out a mystery elevator? After copious photos, you check out the town office. If the town clerk smiles, shrugs, and sends you down the hall to the library, which is closed, then you go (on her advice) to the local tavern. If you are lucky, the owner is intrigued and makes some calls. Pop into the library when it opens. Jump into and out of the car, drive a few blocks, get Dad a coke from the tavern, where the owner sends you to the next place. Touch base at the new place on the way out of town–then leave, still scratching your head.

It was a fairly typical visit.

No one I talked to in town remembered when the elevator had been in operation. The secretary at the town hall was standing in for someone else, and was relatively new in town. The local policeman laughed and shook his head when I asked him about it. He was a recent resident, too. One young person offered a tidbit–she said that the interior of the elevator might have been seen by teenagers at one time or another. It wasn’t a mystery to everyone in town, apparently. Too bad it was shut up tight, with no one around, so we couldn’t see the inside for ourselves.

A 1940s parade photo shows the elevator in its early years.

The librarian was very helpful. She kept the library open for a very short time because of her poor health, but she pointed us in the right direction. The town of Minatare was featured in a newly published local history, “Minatare Memories,” published by the Minatare Historical Committee. It had a short mention of a concrete elevator built in 1924. That information didn’t fit with any elevator that was of interest to us–it was way too early for a Tillotson job. We thought perhaps the 1924 date pertained to an earlier wooden elevator, the first one erected in the town, but at that moment we weren’t sure.

However, she offered a bookshelf filled with boxes of photographs, among them unattributed parade photos, taken a long time ago. In the parade photos were vintage cars, motorcycles, and best of all, the Minatare movie house marquee with the movie playing at the time, “California,” starring Barbara Stanwyck. In the background, behind the parade, stood the gleaming white Minatare elevator. The photos were thereby dated to about 1947, the latest date the elevator could have been completed.

The movie marquee dates the parade more precisely. The movie, “California,” came out in 1947.

The tavern owner, Dennis Wecker, offered more information on our second visit. He had made some calls, and he now knew the name of the company that owned the elevator–Kelley Bean. He gave us a contact and a location. On our stop at the bean facility, two workers in the office said the general manager at the Minatare location, Chris Hassel, had gone on vacation.

Dad and I left, still scratching our heads, and thinking about dinner. We had a drive ahead of us.

Kelley Bean is the current owner of the property.

It wasn’t until later when I conferred with my blogging partner, Ronald Ahrens, that we had an answer to the elevator’s provenance. He looked up the Minatare elevator in the Tillotson construction records and delightedly reported that it was not only the work of his grandfather, Reginald Tillotson, but it was an early one, built in 1941 very soon after the company was founded.

Eureka! It was a great find, and worthy of another visit. We will stop again and thank everyone who helped us tell its story.

Jerry Osborn, my dad and great traveling companion.

 

 

A small Missouri company has big plans for idle elevators to serve as vertical farms

by baggyparagraphs
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Vertical Innovations’ first vertical farm is planned for this elevator. Photos courtesy of Vertical Innovations.

By Ronald Ahrens

Jim Kerns and David Geisler called up the other day from Springfield, Missouri, to ask a question of our readers: Are you aware of any municipally owned, abandoned grain elevators?

Kerns and Geisler run Vertical Innovations, an enterprise formed in December of 2014 to repurpose old elevators, making them into incredibly productive vertical farms for growing leafy green vegetables. They have developed a patent-pending method of hydroponic production, a “structure-driven design” that adapts to the circular shapes.

“The silos tell us what to do,” said Kerns, who has a background in organic farming and leads the company’s innovation, design and construction efforts. “I see them as giant environmental control structures, giant concrete radiators.”

Significant energy savings can result from implementation of circular shapes, which among other things require far less lighting and the corresponding energy use, he said.

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Jim Kerns explores elevator guts.

David Geisler, CEO and general counsel, has worked out a lease for a disused elevator in downtown Springfield.

For its next steps, the company has targeted an available elevator in South Hutchinson, Kan., and approached the owner of Tillotson Construction Co.’s Vinton Street elevator in Omaha.

“What an awesome facility,” Geisler wrote in a follow-up email, thinking of Vinton Street.

Geisler and Kerns have cast their eyes far beyond the Midwest, though, from big terminals in Buffalo, N.Y., to San Francisco’s threatened Pier 92.

“We really need to save that facility if it’s structurally sound,” Kerns said. “It could put out about 50 million pounds of green leafy vegetables per year.”

Pier 92 San Francisco (1)Their most unique discovery source is YouTube videos posted by those who have flown drones around elevators.

But word-of-mouth works, too, and Kerns issues this appeal to readers: “Submit to us pictures and locations of concrete grain terminals in good condition all across the United States, sea to shining sea, north to south.”

Vertical Innovations can be contacted through its website.

 

Records for Tillotson’s Minatare, Neb., job include specs, give total cost picture

by baggyparagraphs

Story by Ronald Ahrens, photos by Kristen Cart

The small concrete elevator in Minatare, Nebr., is the oldest we have visited that was built by Tillotson Construction. After forming in 1938 as a partnership between Reginald and Joe Tillotson, and with their sister Mary also involved, Tillotson Construction built their first concrete elevator in 1939 and another in 1940. Both were in Oklahoma. But 1941 was a big year with five elevators, a pair of which, also in Oklahoma, were quite large with capacity of 212,000 bushels.

The Minatare elevator in this town in eastern Scotts Bluff County was built according to a plan original to the site. Company records show it had a side driveway with bins over the drive, 11 bins, two tanks with capacity of 16,000 bushels and two with capacity of 15,300 bushels.

The elevator and dryer stand idly by the Minatare rail siding.

Construction details show 690 cubic yards of reinforced concrete were used and 27.5 tons of reinforcing steel.

Gross weight when loaded was 3,377 tons.

The drawform walls rose 100 feet, and the cupola’s dimensions were 15 feet wide, 28 feet long, and 18 feet high. The center of the head pulley was at 116.16 feet above the ground.

This was a single-leg elevator. The head pulley was 48 x 14 x 3 7/16 inches, which was an inch and a quarter wider than the boot pulley. A 15-horse Ehrsam motor turned the head at 48 rpm. Leg capacity isn’t listed.

What is listed, though–and we find this quite exciting!–is information about costs that the company records exclude after World War Two.

The grand total for Minatare was all of $19,578.04 less commission. Here is a breakout of individual categories:

  • Labor: $5,526.83 at the rate of 35 cents per hour straight time and 60 cents for overtime
  • Cement: $2,590.75
  • Sand (30,000 cubic yards): $1,149.60
  • Reinforcing steel (J-rods, wires & nipples): $2,156.01
  • Lumber: $835.03
  • Machinery: $4,172.77
  • Structural Steel: $$772.53
  • Electrical materials: $155.07
  • Doors & windows: $47.36
  • Painting & waterproofing: $65.83
  • Hardware (bolts, nails, etc.): $169.71
  • Equipment Expense (depreciation, rentals, etc.): $246.29
  • Freight (not included above F.O.B. job): $509.51
  • W.H. tax & Ins.: $723.82
  • Miscel. (overhead, job office, plans, bond, etc.): $457.11

Double-checking the numbers, we find the total of 19,578.22. That’s 18 cents higher than the amount stated in the records.

The co-op office attached to the elevator. Grain weight and quality were assessed here.

What we would like to learn next is how Tillotson Construction landed those early jobs like Minatare. And how much was the commission?

We have the sense there are more records available at the locations to help us learn about our grandfathers’ grain elevators. One of these days, we want to visit Goltry, Newkirk, Douglas, and Medford, Okla., just for starters, to learn what we can about those early days.

Part of the latest craze, grain elevators get mysterious visitors at all hours

by kocart

A van drives up, hesitates, and pulls into the lot in front of the town’s towering elevator complex. The vehicle has been seen in town before, roving the streets aimlessly, only stopping in odd spots long enough to be noticed. At the elevator, it pauses in the parking lot for thirty seconds, then it drives off.

Pokemon Elevator 01Not long afterward, a pair of local high school students walk up, dawdle for a moment, then walk on. Then a couple of twenty-somethings perch on a park bench across the street. They stay for about half an hour, studying their smart phones intently, while a few more cars come by and park. No one gets out of their cars, but they stay for awhile. A few more pedestrians gather.

Pretty soon you can count fifteen or twenty people on the sidewalk in front of the elevator, under the trees across the street, or parked here and there. Then, as if an invisible timer went off, the people leave in twos and threes. A similar gathering starts up a few blocks away, at the post office. What in the world is going on?

You guessed it, Pokemon-go has arrived in your town. For those of you who have not encountered it before, it’s a virtual-reality pocket-monster hunt, sort of like a treasure hunt, where people go to designated points to get the needed items to catch the little critters that appear on the screens of their smart phones. If a “lure” is set up at one of those points, the little Pokemon appear on the phones in that geographic vicinity, and people start to congregate to catch them for the half-hour that the lure lasts.

That is the short version. It’s easy to play and gets kids out of the house–which makes it a good thing, in my book.

If you sit back and watch the action in any little town you will see players roving the streets or driving in circles. It can be quite fun to watch (or play, if not taken to extremes).

What does this game have to do with a grain elevator? Not very much, except that a grain elevator makes a mighty big landmark, and a tempting spot for the game makers to place a Poke-point. So, players: take this as a warning–watch out for grain trucks, and don’t wander around the property with your face planted in your cellphone.

I confess that catching the little critters is somewhat like driving around the country hunting for interesting elevators. But you don’t have to burn as much gas.

Another look around Wahoo, Neb., yields treasure beyond reinforced concrete

by baggyparagraphs

Story by Ronald Ahrens and photos by La Rose Tillotson

The bend on Route 92 as it entered Wahoo, Nebraska, from the east was always welcome. Here, the road dipped down and crossed Sand Creek at the edge of town, then turned into leafy neighborhoods. It was the first shade for us after more than 30 miles under the sun on the flat prairie.

Wahoo was a frequent waypoint when our family visited relatives in David City farther west.

A site of interest in Wahoo was the Saunders County Courthouse, where a torpedo was displayed near the curb. Even when I was eight and nine years old, the torpedo seemed incongruous, being so far from the sea. But we Nebraskans were starved for variety, and leftover munitions from a distant war were deemed tasty morsels.

Tillotson Wahoo 01

Never did it occur to me that the Wahoo grain elevator had been built by my grandfather’s company. We knew he built elevators but assumed they were in far off places like Iowa.

Kristen Cart has already visited Wahoo and written one post.

But there’s new reason to think about the town after Aunt La Rose Tillotson drove there on a recent tour of the countryside. She forwards the pictures you see here.

As a young woman, Aunt La Rose lived in Wahoo for a short time. While going about her daily business, she never gave much thought to the elevator that stands along North Chestnut Street between Fifth and Sixth.

This isn’t a surprise, as a form of amnesia touched many family members after the family business faded out. Grandfather Reginald died in 1960.

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Here are some particulars of the Wahoo elevator:

Tillotson Construction Company used the same plan as from Imo, Okla., which had also been built in 1950. That meant a 150,000-bushel elevator rose from a 54- by 51-foot slab over a pit nearly 16 feet deep. The drawform walls were 120 feet high, and the cupola topped out after another 26.5 feet.

From atop of the Wahoo elevator, you could probably see all the way to Swedeburg, looking south, and Malmo, looking northwest. (Prague–home of Czech Heritage Days–was just a bit northwest of there.) It’s doubtful, though, you could see as far as Valparaiso, in southwestern Saunders County. Ulysses, way to hell and gone in Butler County, was out of the question.

Some other noteworthy aspects of the Wahoo’s single-leg elevator were its use of 3,056 tons of reinforced concrete and its gross weight, when loaded with as much as 4,500 tons of grain, of 8,216 tons.

I don’t see anything else in the specifications that distinguish the Wahoo elevator all that much from Imo, or for that matter, David City, which was built the next year because whatever Wahoo did had to be done in David City, too.

But no other place was like Wahoo. Wikipedia says the name comes from an Indian word for the shrub Euonymus atropurpureus, which yields arrow wood. But who believes it? I think they’re covering up for the day in 1870 when two large casks of beer fell off the delivery wagon.

Remember these four things about Wahoo:

  1. Wahoo Sam Crawford came from Wahoo, played outfield from 1899 to 1917 for the Reds and Tigers, and still holds the Major League record for most triples (309). He was elected to the Hall of Fame in 1957.
  2. A wahoo (Acanthocybium solandri)  is a sport fish in the tropical oceans, but as far as I can tell it isn’t the official fish of Wahoo. Lake Wanahoo is barren of wahoos.
  3. Wahoo was a long-running gag on Letterman.
  4. Pulitzer Prize-winning composer Howard Hanson (b. 1896), three-time Academy Award-winner Darryl F. Zanuck (b. 1902), and Nobel Prize-winning geneticist George Beadle (b. 1903) came from Wahoo.

How many towns of Wahoo’s size–about 4,500 souls today–have produced a Hall of Famer as well as Pulitizer Prize, Academy Award, and Nobel Prize winners?

Beyond all that, Wahoo has a Tillotson elevator.

Vandals strike Tillotson’s Vinton Street elevator, leaving the owners with an expensive cleanup

by baggyparagraphs

644369_10152681898735294_1745767005_nSometime overnight on Wednesday, May 4, vandals struck the Vinton Street elevator, painting “Dump Trump” graffiti on the south annex’s upper run. The message caused a sensation Thursday morning.

Tillotson Construction Company completed the original 382,880-bushel elevator in 1950. Extensive annexes were later added. We don’t know when operations ceased, but for the last eight years the elevator on five acres of land has been co-owned by Ron Safarik and Richard Brock, who attempted to make a climbing facility comparable to those established at old elevators in Bloomington, Ill., and Oklahoma City.

In 2012, the Vinton Street elevator received national attention after the annexes served as the canvas for a public art project; a nonprofit organization commissioned artists to create themed banners that were draped over the silos.

Reached by phone, Safarik said he and Brock have tried to secure the property, but intruders found a way to pry through and gain access to the top. “I would presume they used the internal ladders that still exist,” he said.

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Photos courtesy of SILO Extreme Outdoor Adventures. 

Safarik and Brock will now be stuck with the cleanup bill. Since SILO Extreme Outdoor Adventures, the partners’ venture, closed in 2013, the elevator has been a burden, he said.

It has been listed for sale since 2014. A post on SILO’s Facebook page says, “The Silos and the 5 acres of industrial land are for sale through Ben Pearson at World Group Commercial Real Estate. Any climbing related buyer will receive the holds, bolts, and supporting gear for starting up a climbing club or business.”

Safarik said the asking price remains $150,000.

Although he said he hadn’t known much of the elevator’s history, he did pass along a story heard from an elderly man named Otto, who lived on Vinton Street and “had intricate knowledge” of events.

According to Otto, the only death that occurred at the elevator happened on a freezing night in an unspecified year. The victim, an elevator employee, locked himself out of the scale house. As he tried to pry back into it, he jammed his arm and couldn’t pull free. Found dead in the morning, he was surrounded by cigarette butts. With his free hand, he had managed to smoke his remaining cigarettes before he froze.

 

 

 

A model Tillotson grain elevator is part of Lauritzen’s Model Railroad Garden

by baggyparagraphs
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Photo courtesy of Lauritzen Gardens

We were happily surprised to hear from Rosemary Lebeda, director of development at Omaha’s Lauritzen Gardens, which is located along the Missouri River at 100 Bancroft St. She found her way to Our Grandfathers’ Grain Elevators when searching for information about Tillotson Construction Company’s Vinton Street elevator. She wrote:

“I thought you might like to know that a model of the grain elevators is a part of our Model Railroad Garden. This particular garden includes miniature sculptures of historical buildings in Omaha built from natural materials. They are on display throughout the summer and then they are brought inside and displayed as part of our Poinsettia show.

“Families really enjoy seeing the buildings, and the grain elevators are easy to spot. I drive by them almost every day! It was neat to discover your historical page on the web and learn more about the company that built them.

“The Garden is fairly new in comparison to other community attractions such as the zoo or museums. The visitors center opened in 2001 and before that it was pretty much open space.

“Lauritzen Gardens is uniquely positioned as the region’s premier botanical center and garden resource. Situated on 100 acres of lush grounds, the garden exemplifies visionary efforts to provide a quiet, tranquil and serene setting for the study, preservation, and pure enjoyment of some of the region’s most precious resources and flora. Beginning with a grassroots effort to build a garden for the Omaha community, the garden has quickly become a regional destination and has substantiated its position as a major Omaha-area attraction.

“Today, more than twenty themed gardens invite guests to immerse themselves in the beauty of the Nebraska landscape. At Lauritzen Gardens, a diverse palette of plant life combines with fine art, architectural components and water features to create an incredible sensory experience. The grounds change with the seasons and are open year-round for exploration and enjoyment.

“In addition to horticultural displays that inspire, events that entertain and educational programs that cultivate minds of all ages, the garden works to conserve the endangered plants of the Great Plains and to advance the understanding and stewardship of the region’s biological diversity.”

 

 

 

Tillotson Construction kicks off the 1950s with ubiquitous designs

by kocart
Albert City, Iowa, ca. 1954

Albert City, Iowa, circa 1954.

Story by Kristen Cart

In the last post we studied the oddball Tillotson elevators that sprouted during the 1940s, the most creative period of elevator design. It was a time of multiple plans and innovations, and as the 1950s dawned, unworkable plans were dropped and popular designs emerged.

A surprising number of elevator ideas survived however, some with new names, as the Tillotson brand retained its distinctive features. Advances in engineering dominated the 1950s as elevator styles settled into lines that typified their makers.

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Dallas Center, Iowa. Photo by Kristen Cart.

You can generally spot a Tillotson elevator by its rounded headhouse. Other subtle details are also telling trademarks. These style points became so common because a large portion of Tillotson’s building in the 1950s followed established designs, tweaked here and there for individual customers, without deviating greatly from the most popular plans.

We will examine the first of these enduring plans, which crossed over from the late 1940s, in this post.

Flagler by Gary Rich

Photo by Gary Rich.

Dike Plan:

This design was rolled out in 1947 with the elevator at Satanta, Kan., which had a 250,000-bushel capacity. No corresponding Dike, Iowa elevator is mentioned in our records, but presumably it was built (although I speculate whether the original Dike proposal sat on a desk without ever being approved, while Satanta’s updated elevator proceeded, thus the naming convention).

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Photo by Kristen Cart.

The basic Dike elevator, with 252,000-bushel capacity, was built at Randall, Iowa (1949); West Bend, Iowa (1949); Pocahontas, Iowa (1949); Bushland, Tex. (1950); Pond Creek, Okla. (1950); Seibert, Colo. (1950); and Flagler, Colo. (1950). They all look like the typical Tillotson elevator, but with a larger-than-usual rounded headhouse.

The Satanta, Kan. (1947), and Gruver, Tex. (1947) elevators were built with a revised Dike plan, which was renamed the Satanta plan. They could be filled to a capacity of 250,000 or 265,000 bushels, respectively–the two elevators differed by five feet of draw-form height. Springfield, Colo. (1948); and Kildare, Okla. (1950); were also built with 250,000-bushel capacity using the Satanta (variously named Dike) plan.

The Pocahontas, Iowa, elevator, built using the Dike plan, got its own plan designation also. Into the mid-’50s, several elevators were built using the Pocahontas plan specifications: Albert City, Iowa (1954); Goldfield, Iowa (1954); Rockwell City, Iowa (1954); Thornton, Iowa (1955); and Dallas Center, Iowa (1955). Each could hold 252,000 bushels of grain.

Pocahontas, Iowa

Pocahontas, Iowa. Photo by Kristen Cart.

Because we are missing a page of the specifications for elevators built in 1954-1955, we do not know whether other elevators followed this plan, though I suspect some did.

The Tillotson Construction Company of Omaha continued to build for at least four years after our records ended. But reconstructing those records is a project for another time. In the next post, we will look at the Churdan and Jackson plans that originated in the late 1940s.

 

Tillotson’s design plans consolidated the trends in elevator form and function

by kocart
Photo by Gary Rich

Photo by Gary Rich

Story by Kristen Cart

The concrete elevator construction records of the Tillotson Construction Company display data in columns, each column headed with the location of the project, and the date it was built. Specifications follow. Above the header is the name of the plan used to build the elevator. A short description accompanies the plan name.

For instance, in 1955, the Boyden, Iowa, elevator was built using the Palmer, Iowa, plan of 1950, with eight bins, each being 18 feet in diameter and 117 feet high. The driveway measured 13×17 feet.

You might discover, on review, how many of each elevator type were built based upon the plan names. This exercise will show us how the elevator plans evolved, and which were successful over the years of the elevator boom. Over the next few posts, I will attempt to spot trends over the span of our records, starting at the beginning. The elevators will be referenced by their locations.

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Richland, Neb.: Front Street, looking east from about Tilden Street, taken on 21 October 2013, by Ammodramus via Wikipedia Commons

Goltry plan:

Goltry, the first elevator of its type, was built with a center drive and four 12-foot-diameter tanks. The Goltry plan specified an elevator in the 60,000-bushel class, the smallest Tillotson built:

Goltry, Okla. (1939); Newkirk, Okla. (1940); Douglas, Okla. (1941); Wellsburg, Iowa (revised plan, 1946); Polk, Neb. (1948–“Wellsburg plan” was another heading used for this elevator, just to make it confusing); and Richland, Neb. (1948).

From the photographs we were able to find, this elevator type was a small, four-square design with a rectilinear headhouse. Several of the type were still standing in recent photographs.

Medford Plan:

Medford 01Medford, the first elevator of its type, was built with a center drive, a cross work room, and 22 tanks of 15 1/2 feet in diameter. These old elevators had rectilinear headhouses, a feature that was later abandoned in favor of a rounded design. The plan represented a big jump in size from Goltry, having a 212,000-bushel capacity. Later, a revised Medford plan had a capacity of 140,000 bushels, and an expanded plan pushed the capacity to 240,000 bushels:

Medford, Okla. (1941); Thomas, Okla. (1941); Burlington, Okla. (revised plan, 1945); Cherokee, Okla. (revised plan, “like Burlington,” 1945); Lamont, Okla. (revised plan, 1945); Blackwell, Okla. (revised plan “like Lamont,” 1945); Booker, Tex. (revised plan, 1945); Follett, Tex (revised plan, 1945); Elkhart, Kan. (revised plan, 1946); Kingfisher, Okla. (expanded plan, later designated the Kingfisher plan, 1946); Thomas, Okla. (expanded plan, “similar to Kingfisher,” 1946); Ensign, Kan. (expanded plan, “similar to Kingfisher,” 1946); Manchester, Okla. (revised plan, later designated the Manchester plan, 1948); Montezuma, Kan. (1948)

The two daughters of the Medford plan, Manchester and Kingfisher, follow:

Manchester Plan:

Medford 02Manchester, Okla. (1948); Rolla, Kan. (“like Manchester,” 1948)

Kingfisher Plan:

Hooker, Okla. (1949)

More analysis is needed to determine exactly when the transition to a rounded headhouse occurred–but we think it did occur sometime after the Manchester plan was first designated as such, unless some of these elevators were modified at a later date.

What is clear from photos of Goltry and Medford plan elevators is that the rounded headhouse design was not used in Tillotson’s earliest elevators, and was likely adopted sometime in 1948–both plans made the transition in that year. Other details are bound to emerge as we study the other elevator plan types as they entered the Tillotson Company’s repertoire.