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15th and 16th Century European Architecture
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Display: 20

    • "Testing John Deere Diesel R tractor."

    • "Testing John Deere Diesel R tractor."

    • Farm tractors--Testing; John Deere tractors; Deere & Company

    • "Testing John Deere Diesel R tractor." Three-quarter view from the front of the John Deere Diesel R tractor, which is on the test track in front of the test car. A man is standing near the front of the tractor while four other men at the rear...
    • Larsen Tractor Museum Collection
    • Air cleaner inspection

    • Air cleaner inspection

    • 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...
    • Larsen Tractor Museum Collection
    • Westinghouse dynamometer

    • Westinghouse dynamometer

    • Tractors--Testing; Equipment; Dynamometer; Larsen, Lester F., 1908-2000; Lane, Delbert E.; Steinbruegge, George

    • Installing brushes on a commutator on a Westinghouse Dynamometer, left to right are: Pof. Red Lane, an unknown visitor, Lester F. Larsen, and Prof. George Steinbruegge." Lester F. Larsen is installing a brush on the commutator of the dynamometer...
    • Larsen Tractor Museum Collection
    • Checking amount of fuel consumed

    • Checking amount of fuel consumed

    • Tractors--Testing; Equipment

    • "Technician checking fuel consumed with the fuel scale." A technician measures the fuel consumed in a certain time period by weighing the amount of fuel removed from the tank, which is standing on a scale. While he does that, fuel is supplied to...
    • Larsen Tractor Museum Collection
    • Minneapolis-Moline tractor. Drawbar Test.

    • Minneapolis-Moline tractor. Drawbar Test.

    • Farm tractors--Testing; Minneapolis-Moline Company; Minneapolis-Moline tractors

    • Unidentified Minneapolis-Moline propane-fueled model during the drawbar test, towing the Adams test car plus load tractors. The two propane cylinders on the first load tractor are used to measure the fuel consumption. The tractor runs during the...
    • Larsen Tractor Museum Collection
    • Chimney Rock model

    • Chimney Rock model

    • Chimney Rock (Neb.); Geology--Nebraska; Rock formations--Nebraska; Nebraska Western Trails Project NSHS

    • Abstract Chimney Rock is mainly composed of Brule clay, not ôrock,ö with horizontal layers of volcanic ash and sandstone. The soft clay erodes easily, while the hard sandstone does not. The presence of the protective sandstone cap may explain...
    • Western Trails
    • Chimney Rock model

    • Chimney Rock model

    • Chimney Rock (Neb.); Geology--Nebraska; Rock formations--Nebraska; Nebraska Western Trails Project NSHS

    • Abstract Chimney Rock is mainly composed of Brule clay, not ôrock,ö with horizontal layers of volcanic ash and sandstone. The soft clay erodes easily, while the hard sandstone does not. The presence of the protective sandstone cap may explain...
    • Western Trails
    • Hydraulic Gold Mining

    • Hydraulic Gold Mining

    • Gold mines and mining -- West (U.S.); Hydraulic mining -- West (U.S.); Watercolors

    • Abstract Depicts miners using a high-pressure hose to loosen earth, while other men are working at a sluice box.
    • Western Trails
    • German drawings inside house

    • German drawings inside house

    • World War, 1914-1918; Soldiers--French; Soldiers; Graffiti

    • "R.9. St Loup. North of Reims boche drawings inside a house. Oct.1918." In the right foreground French soldiers stand around a counter inside a house North of Reims, France. The wall on the back is covered by drawings of men and women celebrating...
    • J. Patras WWI Photographs
    • French plane wreckage

    • French plane wreckage

    • World War, 1914-1918; Airplanes; Aircraft; Soldiers

    • "R.16. French plane brought down, the pilot is burning (with his machine). North-Reims 1918." In a flat field five soldiers look at the smoking frame of a crashed airplane while two more soldiers walk away to the right.
    • J. Patras WWI Photographs
    • Soldiers in front of dugout at Chemin-des-Dames

    • Soldiers in front of dugout at Chemin-des-Dames

    • World War, 1914-1918; Bunkers; Forts and fortifications; Soldiers

    • "C.59. Headquarters dug out "Chemin-des-Dames. Aug. 1917." In a wooded area a group of French soldiers sit around an underground structure built of sandbags and timber. Of the four men sitting on the left side, two are preoccupied with one reading...
    • J. Patras WWI Photographs
    • Shell splinter removal operation on eye

    • Shell splinter removal operation on eye

    • World War, 1914-1918; Operating rooms; Surgery; World War, 1914-1918--Medical aspects; Military medicine; Eye examinations

    • "Operation room schell [sic] splinters in the eye." On front shows "L3." A man wearing an armband with a medical symbol sits on a wooden chair to the right of center. A woman pours a clear liquid over something the doctor holds in his palm while...
    • J. Patras WWI Photographs

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