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IN-0386 Bell Telephone Laboratories, Inc. circa 1941 View |
IN-0388 date unknown View |
IN-0404 Western Electric Company circa 1942 or later View |
IN-0414 Raytheon Company date unknown View |
IN-0415 Raytheon Company date unknown View |
IN-0418 Raytheon Company circa 1945 View |
GROUP 52 TRANSMITTERS DISPLAY - LEFT SIDE CENTER DISPLAY LEFT SIDE OF ROOM 22-217 RL-35-059r View |
Radar Magazine Story Pix RL-35-092b 1944-04-21 View |
Fugijama from nose of B-29 of 21st B.C. RL-35-138 View |
GENERAL MAGNETRON TEST: TECHNICIAN WORKING ON PROBLEMS FOR MICROWAVE RADAR DEVELOPMENT FOR WAR USE - QUALITY CHECKS, PERFORMANCE CHARTS, REKE DIAGRAMS, ETC. RL-35-193 View |
CORRIDOR SCENE IN BUILDING 20, SHOWING GEO ANTENNA ON T- WAGON WITH TEST EQUIPMENT RL-35-209 1945-08 View |
EARLY BRITISH MAGNETRONS RL-35-216 View |
CONTINUITY TEST RL-36-002 1944-06-08 View |
RL-51-342 View |
MODEL 20 B MODULATOR - RIGHT SIDE RL-51-343 View |
PEAK EMISSION TESTER - REAR VIEW RL-51-359 View |
OPERATION TEST CAGE FOR 5C22 THYRATRONS RL-51-360 View |
OPERATION TEST CAGE FOR 5C22 THYRATRONS RL-51-375 View |
CUTAWAY OF K7 MAGNETRON RL-51-437 View |
SWT BEING ASSEMBLED RL-52-069 View |
X-RAY DIODES RL-52-136 View |
MAKING GLASS AND METAL SEALED TUBES RL-52-188 1945-07 View |
TUNING HEAD 4J70-77 SERIES, WITH COVER REMOVED - ONE END OF 0.15 INCH FLEXIBLE SHAFT IS SHOWN. RL-52-240 View |
ELECTRON DIFFRACTION UNIT RL-52-255 View |
STAGES IN CONSTRUCTION OF HOB AND BLOCK RL-52-285a View |
SCR-584 AT HEATHFIELD RL-81-091 View |
RL-AG-145-023 1943-07-24 View |
D-DAY INVASION - ENGLISH CHANNEL 0629 HOURS MEW RL-AN/CPS-1-130 1944-06-06 View |
D-DAY INVASION - ENGLISH CHANNEL 0457 HOURS MEW RL-AN/CPS-1-130a View |
D-DAY INVASION - ENGLISH CHANNEL 0653 HOURS MEW RL-AN/CPS-1-130b View |
MEW - 19TH TACTICAL AIR COMMAND CONTROL ROOM AT LUXEMBOURG RL-AN/CPS-1-353 View |
MEW VERTICAL PLOTTING BOARD - FRONT VIEW, WITH PLOTTERS RL-AN/CPS-1-497 View |
GREYFRIARS ANTENNA AND RETURNING BOMBERS SWEEP - DUTCH AIRBORNE INVASION RL-BBRL-120 1944-09-17 View |
M.I.T. SYMPOSIUM DISPLAY: MODEL AND POSTER ROOM RL-DO-176 View |
RL-DR-076 View |