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Galvanometer
Microscope, handmade English
PIR-21 (Mk165) fuze
Set of glass dewars
Security stopwatch
Triode, Western Electric 710A
Altimeter
Elliot beam compass
Galvanometer, DC moving coil, reflecting, type P
Beam compass
Potentiometer, type B high precision #2780
Bulb, unidentified
Ammeter, direct current, Model 1
Oxygen analyzer, Model E2
Slide rule
Microscope of Max Delbrueck
PIR-22A fuze
Vacuum circuit breaker
Variable scale ruler
Grating, concave

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