“ THE MAGIC OF FLUORESCENCE ” 1940s GENERAL ELECTRIC FLUORESCENT LIGHTBULB PROMO FILM 49244
23:49
1940s GENERAL ELECTRIC DOCUMENTARY MANUFACTURE OF MAZDA LAMPS & LIGHT BULBS 65784
1:22:50
Atomic Physics
28:21
1959 METAL FOUNDRY & FORMING PROCESS SHELL OIL INDUSTRIAL FILM 72242
23:21
In Defense of the CFL: A Retrospective
24:34
" FLAME THROWER IN MEDIUM TANK — SERVICING" WWII ERA SHERMAN TANK CREW TRAINING FILM XD81285
30:17
"TOOLS OF TELEPHONY" 1956 WESTERN ELECTRIC TELEPHONE SYSTEM PROMO FILM BELL SYSTEM 98694
29:34
Induction light - what's inside, schematic, experiments
19:52