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  • All fields: University of Nebraska--Lincoln
(1460 results)



Display: 20

    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Scales
    • 1940. Oil used during test is weighed. Before the test oil is drained from the tractor. New oil is weighed and put in the tractor. After the tests the oil is drained and weighed again. The difference is the oil used during the test. The photograph...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors; Farm tractors--Testing; Oliver tractors; Oliver Farm Equipment Company; Zink, Carlton
    • 1941 Oliver Row Crop 60 HC during test #375. Carlton Zink (in hat) on far left. The other two men are Oliver Reps. The tire is marked "Test K. "The tire that is on the rear of the tractor is marked Test F,G,H. They apparently changed tires...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Planimeter
    • 1941. Carlton Zink, Director at the lab from 1930-1942, showing an assistant how to use a Planimeter. The traction cylinder recorder creates a trace on a paper strip (shown). The Planimeter follows the trace on the strip of paper and gives the area...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Tractors--Testing; LeRoi tractors; McPhail, W.; Bryan, Billy, 1921-; Olson, Gordon
    • 1948. Belt test no. 402. Centaur KV 48. with G. Olson, W. McPhail, Billy Bryan. Centaur KV-48 in the tractor test lab. A belt runs from the tractor pulley to the dynamometer in the adjacent room. Gordon Olson mans the dyno controls, W. McPhail...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Case Corporation; Case tractors
    • 1969 or 1970 model Case during drawbar test #1030 to #1035." The tractor tows the Oliver test car plus a load tractor. The Cushman three-wheeler was used to carry the early sound measuring equipment which was later moved into the rear test-car cab,...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Maintenance and repair; 4-H
    • 4-H leaders training meeting. Participants kneel on opposite sides of a rag on which the material removed from a tractor air cleaner has been dumped. One of the men shows the emptied air cleaner, while the other man points to the material on the...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors; Tractor Power and Safety Day; John Deere tractors; Waterloo Gasoline Engine Co.
    • "1892. The "Old Froelich". The Granddaddy of Today's Farm Tractors. Forerunner of the Now Famous John Deere Line. It was shown at the Ag Engineering Tractor Safety Day in 1957." Side view of Froelich gasoline powered tractor on a flatbed.
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Tractors--Testing; Caterpillar Inc.; Crawler tractors
    • "1933. Drawbar test of the Caterpillar Diesel 75." The Caterpillar crawler is towing the oldc "bathtub" test car and several other load tractors. In the background is the (what is today) the Activities Building on the East Campus..
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; John Deere tractors; Deere & Company; Zink, Carlton; Lammert, Red; Schnitter, John G.
    • "1940-1941. Checking Drawbar data for test 366. M. Hansen (john Deere). C.L. Zink (NTTL director). Red Lammert (JD Rep). J. Schnitter (NTTL)." The John Deere B is towing the Adams test car. J. Schnitter is on driving the tractor. He is...
    • Nebraska Tractor Test Laboratory, Records

    • Instrumentation: The Service Recorder
    • "1940. A service recorder is used to record total hours of engine operation." From the recording trace, made on pressure-sensitive paper, one can determine hours of PTO and Drawbar operation because the tracings are different. Carlton Zink...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company
    • "1940. First step in preparing for test is the Oil drain & new oil weighed in. Test no. 363. Carlton Zink, Harold Schudt." The men are crouching at the side of the Allis-Chalmers C and draining oil into a pan beneath the tractor.
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors; Tractors; Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company; Crawler tractors
    • "1940. Tractors arriving for test" Unloading tractors for tests 360, 361, and 362. Allis-Chalmers crawlers HD-7W, HD-10W, and HD-14 are being driven down a wooden ramp as they are unloaded from a box car on a special railroad siding.
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; John Deere tractors; Deere & Company; Smith, C.W.; Zink, Carlton; Brackett, E.E.; Hurlbut, L.W.; Schnitter, John G.; Hansen, Merlin
    • "1941. Checking clearance volume following test #366 of the John Deere B. From left to right C.W. Smith, Carl Zink, E.E. Brackett, L.W. Hurlbut, John G. Schnitter, Merlin Hansen." The tractor is hanging from its front wheels, because the engine...
    • Nebraska Tractor Test Laboratory, Records

    • Tractors--Testing; Garden tractors; Larsen, Lester F., 1908-2000; Larsen, Danny; Powell, Lou; Arms, Milo; Sabe, Abou; Furst, Bob; Heller, Ray
    • "1946. First tractor tested following World War II. Test no. 379. L.F. Larsen, Danny Larsen, Lou Powell, Milo Arms, Abou Sabe, Bob Furst, Ray Heller." Group photo of men and a boy gathered around an Ellinwood 3000-1 Bear Cat. The Adams tractor...

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