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  • All fields: Zink)
(29 results)



Display: 20

    • 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; 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--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...
    • Larsen Tractor Museum, Records

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    • "Carlton Zink (Director 1930-1940) employed a number of students at the lab as assistants. This is Clee Smiley, who worked at Waterloo for J.D." He is using a Planimeter to check the trace on a chart from the Drawbar Test Dynamometer.
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; Equipment
    • "Carlton Zink showing belt test equipment to a visitor from Cuba." He is pointing to the weight scale part of the Belt Dynamometer Cradle. The scale is used to determine the Torque (and Horsepower by calculation) from the tractor belt drive or PTO...
    • Larsen Tractor Museum, Records

    • Tractors--Testing
    • "Dynamometer during a test. Carlton Zink, Chief Engineer from 1930 till 1942, is running the test. The dynamometer's generator is at front left and the load control board is on the right. Carlton is adjusting the load rheostat.
    • Larsen Tractor Museum, Records

    • Tractors--Testing; Allis-Chalmers Manufacturing Company; Allis-Chalmers tractors; Crawler tractors
    • "Harold Mizner, a test technician, measuring drive belt pulley speed. It might be Carlton Zink at the dynamometer." On the left of the image, the rear half of an Allis-Chalmers HD-14 Diesel crawler is visible. The belt extends from the tractor...
    • Nebraska Tractor Test Laboratory, Records

    • Farm tractors--Testing; John Deere tractors; Deere & Company
    • A John Deere B tractor hooked up to the Adams test car outside the old tractor test lab. The person at the center of the group of three is Test Lab director Carlton Zink (1930-1941) The others would all be John Deere representatives.
    • Larsen Tractor Museum, Records

    • Allis-Chalmers tractors; Allis-Chalmers Manufacturing Company
    • Carlton Zink performing an after-test oil drain on an Allis Chalmers C. The oil will be weighed and the weight compared to the oil weight which was put in the tractor before the test. The oil specific graviry is also determined. These measurements...
    • Larsen Tractor Museum, Records

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    • Carlton Zink with tractor test board consisting of professors Brackett, Smith and Hurlbut. They are apparently discussing test results before signing off on the final reports. Meetings like these were held regularly for each test. This guaranteed...
    • Larsen Tractor Museum, Records

    • Tractors--Testing --Inspection
    • Left to right: C.W. Smith, Carlton Zink, E.E. Brackett, Hurlbut, Jack Snitter and Merlin Hansen." Examination of a John Deere tractor, which is positioned vertically in order to better examine the engine which has a horizontal engine.

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