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11 results for: vacuum tubes
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UMG20B03_111
Chief engineer j, skrins and technician m, kovalye...
UMG20B03_148
Engineers v, chibisov and m, skripkina at work on ...
UMG20A99_002
The besm-1 computer designed by the institute of p...
UMG20A99_014
A technician at the control board of the strela-1,...
UMG20A99_294
The besm-2 computer in operation at the calculatin...
UMG20A98_498
The besm-1 computer designed by the institute of p...
UMG20A21_440
Fleming's First Vacuum Tube
UMG20A13_168
Sending Photos Via Radio Waves
UMG20A21_439
Inventor Earl C. Hanson
UMG20A21_374
Making Department Store Change
UMG20A19_313
TV Cathode Ray Tubes
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