See more items in: Military and Society: Armed Forces History, Military ...
Spark!Lab is a hands -on invention studio in the Smithsonian's National Museum of American History. Spark!Lab activities communicate that invention is a process, rather than a single “Aha!” moment; ...
See more items in: Military and Society: Armed Forces History, Military ...
No extant maker's markings. An external bridging or loading condenser. Consists of a small sectional mica condenser of ten taps that are thrown in and out of the circuit by a fan switch. Two binding ...
See more items in: Military and Society: Armed Forces History, Military ...
See more items in: Military and Society: Armed Forces History, Military ...
Id Number: GA.24880.033Catalog Number: 24880.033 ...
Collections Labor Improbus Omnia Uincit.
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