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4 results containing "Diagrams--1940-1950."
Larger image available anywhere
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Larger image available only at the Library of Congress (3)
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Not Digitized (1)
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Six ways to draw on copper
1948. | 1 print | Weidenaar, Reynold H. (Reynold Henry), 1915-1985
FP - XX - W417, no. 6 (A size) [P&P] | LC-DIG-ppmsca-13314 (digital file from original print) -
This diagram shows where the water of the Central Valley comes from and where it goes - out to sea through the Golden Gate
[1948] | 1 photomechanical print
Illus. in HD1694.C2 D4 [General Collections] | LC-DIG-ppmsca-17727 (digital file from book illustration) -
Two see each other by wire as they phone--conversations and images transmitted perfectly over new television apparatus
[194-?] | 1 photographic print.
SSF - Television and television broadcasting <item> [P&P] | LC-USZ62-101897 (b&w film copy neg.) -
Aviation Corporation, Lycoming Division, educational material
1943-1944. | 14 col. reproductions ;
LOT 7539 (H) [P&P]
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