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| Date: | 01 13 1943 |
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| Description: | A woman operating a grinding machine at an International Harvester factory responsible for manufacturing aircraft torpedo parts. Original caption reads: "T... |
| Date: | 07 22 1929 |
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| Description: | Left side view of the 7-cylinder Comet engine fitted to the nose of an aircraft under construction. The fuselage is standing on the factory floor. A work t... |
| Date: | 01 13 1943 |
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| Description: | Female worker inspecting a ball bearing for an aircraft torpedo at an International Harvester factory. Original caption reads: "The precision instrument us... |
| Date: | 01 13 1943 |
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| Description: | Female factory workers operating automatic screw machines at an International Harvester aircraft torpedo factory. Caption on photograph reads: "Two batteri... |
| Date: | 07 22 1929 |
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| Description: | View towards the front of a Sierra BLW-2 aircraft, fitted with a Comet 7-RA air-cooled radial piston engine and a wooden Westinghouse Micarta propeller. Mo... |
| Date: | 01 20 1969 |
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| Description: | Gas turbine test stand drive that was purchased and used by Pratt and Whitney Aircraft Division. Original Falk caption reads, "Two special units and ratio ... |
| Date: | 01 13 1943 |
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| Description: | A long line of female factory workers operating drill presses in an International Harvester aircraft torpedo plant. Original caption reads: "A battery of 1... |
| Date: | 01 13 1943 |
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| Description: | A factory worker uses an oxy-acetylene torch to fit a copper tube in the production of an aircraft torpedo. He is wearing an International Harvester Compan... |
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| Description: | Standard type of Gisholt Vertical Boring and Turning Mills manufactured as 52, 60, 64, and 72 inches. Gisholt was the first company to specialize in heavy ... |
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| Description: | Gisholt Standard Turret Lathe. The metal stamp states: "Gisholt Machine Co. Madison, Wis., U.S.A." Gisholt was the first company to specialize in heavy typ... |
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| Description: | Gisholt Standard Turret Lathe. The metal stamp states: "Gisholt Machine Co. Madison, Wis., U.S.A." Gisholt was the first company to specialize in heavy typ... |
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| Description: | Standard Turret Lathe, "Conradson," by American Turret Lathe Company in Wilmington, Delaware, "Patented December 26, 1899." Gisholt was the first company t... |
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| Description: | Gisholt 22" Turret Lathe. The metal stamp states: "American Turret Lathe Mfg. Co. Patented December 26, 1899. Semi-Automatic. Warren, PA." The Pennsylvania... |
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| Description: | Gisholt 52" vertical boring mill. The machine has a turret head on the left hand side and "an attachment for crowning pulleys or fly wheels, capable of fin... |
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