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  • All fields: demonstration
(114 results)



Display: 20

    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Farm tractors; Ford tractors; Ford Motor Company
    • Experimental Ford "Typhoon" being demonstrated by a Ford Representative on the Nebraska Tractor Test track. A group of visitors are standing and sitting by the side of the track watching the demonstration. This tractor had Power Shift and a "Free...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors; Accidents; Farm tractors--Safety measures; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company
    • An Allis-Chalmers WC was used in tractor overturn demonstrations to show how easy it was to tip over if the load was hitched too high (see chain on the left). Side view of the tractor with its front end off the ground at about a 45 degree angle. ...
    • Nebraska Tractor Test Laboratory, Records

    • Tractor Power and Safety Day; Farm tractors; Oliver Farm Equipment Company; Oliver Hart-Parr tractors
    • "Oliver Hart-Parr row crop tractor passing in front of the viewing stand; a 1930s model with spade lug wheels. A Ford tractor is used as load tractor (dead weight) on a sled at Mead, Nebraska during a Drawbar Pull demonstration.
    • Nebraska Tractor Test Laboratory, Records

    • Tractor Power and Safety Day; Farm tractors; Oliver Hart-Parr tractors
    • Oliver Hart-Parr row crop tractor with spade lug wheels. of the 1930s pulling a Ford tractor on a sled, at Mead. To the left and in the background are spectators. There are other rubber tired tractors with a drawbar load to the right in front....
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Farm tractors; Steiger Tractor Company; Steiger tractors
    • Portable Dynamometer test on a Steiger at a Tractor and Power Safety Day in Mead, Neb. Lou Leviticus (Little guy, Big hat) is explaining the procedure on microphone." The photograph shows the portable dynamometer being adjusted by an assistant. The...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company; Cannon, Craig
    • "1948. Craig Cannon demonstrates new type adjustable wheel." Side view of Allis-Chalmers tractor, with Craig demonstrating the Power-Adjustable feature of the rear wheels. The photo was taken outdoors with the tractor test lab in the background.
    • Nebraska Tractor Test Laboratory, Records

    • Agriculture; Farm tractors; Agricultural machinery & implements; Plows; Plowing; Advance-Rumely Thresher Co.
    • "Oil Pull tractor by Advance-Rumely Thresher Co. pulling 4 bottom plow." The Rumely Oil Pull in the center of the image. Other machines are also seen plowing. Lifting and lowering opf the plows was performed by a helper (or helpers) standing on...
    • Nebraska Tractor Test Laboratory, Records

    • Agriculture; Agricultural machinery & implements; Plows; Plowing; Farm tractors
    • Three 10-bottom moldboard plows pulled by Three "Big 4" 30" tractors made by the Gas Traction Company of Minneapolis in the early 1900s." Rear view of three tractors and plows and the plowed field. An automobile is parked next to the plowed land,...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Ford tractors; Ford Motor Company
    • "A Ford tractor and a small International Garden Tractor shown with their matched test cars. The Ford is shown with the newer test car which consisted of the Adams Test Cab built on a frame with an Oliver 1850 tractor as power absorption and drive...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Case tractors; Case Corporation; Farm tractors--Safety measures
    • Case Comfort King 930 tractor tipped over on its back during a rollover demonstration. On this side of the tractor one of the extension engineers stands with his back to the camera. On the other side a crowd is gathered watching the demonstration...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Farm tractors; Farm tractors--Testing; John Deere tractors; Waterloo Gas Engine Co.
    • Demonstration at the Tractor Test Lab. This Waterloo Boy's manufacturer was bought later by John Deere, was the first tractor tested at the University of Nebraska in 1920. The Waterloo Boy tractor is shown on the dirt test track during a drawbar...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Farm Tractors; Case Corporation; Case tractors
    • Left side view of a Case M-B 4/94 tractor (the Unimog) from test 1211. The tractor is parked on the field near the Field Day viewing and parade area at Mead, NE for a Tractor Field Day demonstration. The MB-Trac is made by Mercedes Benz. They had...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Tractors--Testing; John Deere tractors; Deere & Company; Rollover protective structures; Farm tractors--Safety measures
    • Moment of impact during demonstration at Mead, NE (Experiment station). It shows the 1000kg (2205 lbs) weight at the moment of impact on the rear upper part of the ROPS. It was found that these "dynamic" tests were difficult to make repeatable,...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Case; Safety; Roll-over Tests
    • Roll-Over test of a Case Comfort King 930 tractor The photo shows the tractor during a rollover demonstration. The tractor is lying in the grass. A man is standing nearby with a camera or film projector. This was part of a Research roject of Prof....
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Case tractors; Case Corporation; Farm tractors--Safety measures
    • Case Comfort King 930 tractor during a rollover demonstration. The tractor is just starting to drive up an embankment. A rope is attached to the brakes of the 930 and contolled by someone outside the photo. Prof. Rollin Schnieder (in hard-hat)...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Case tractors; Case Corporation; Farm tractors--Safety measures
    • Case Comfort King 930 tractor during a rollover demonstration. The tractor is almost to the top of the embankment. A rope extends from the back of the tractor and is attached to the brakes and held by someone outside the photo. Rollie Schnieder...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors; Case tractors; Case Corporation; Farm tractors--Safety measures
    • Case Comfort King 930 tractor during a rollover demonstration. The tractor is starting to tip over on the embankment. Rollie Schnieder has pulled the clutch rope first and the other rope applying the brakes has been pulled. The front wheels have...

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