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Mechanical and Civil Engineering, Division of [former name], NMAH, SI. (186)
History of Technology, Division of, NMAH, SI (176)
Greene, Stephen (117)
Lockwood Greene Engineers, Incorporated (117)
Lockwood, Amos (117)
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engineering
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Kansas City, Missouri: Armour & Co. (the largest ice machine ever built), en route via rai...
Reymann Brewing Co.: Wheeling, West Virginia
Acetate film negatives, construction, St. Louis (Missouri)
US 1,474,911 (elevator equalizer) sketches
Charles R. Pratt
Charles R. Pratt (Boston and Sprague Electric Elevator Company, New York City and Bloomfie...
US 1,474,911 (elevator equalizer) correspondence and sketches
Miscellaneous
Birds-eye view artist's rendering of Frick Co. plant in Waynesboro
Plate ice: finished product with men standing behind
Can ice: finished product, advertising
Section of Technological Collections: Annual Report, 1888-1889 [SIA_000158_B02_F16]
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