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1.00 Piastre
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De Forest type CS radio loading condenser
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 ...
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1.00 Centavo
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100.00 Franc
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1.00 Yen
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0.50 Gulden
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Spark!Lab Instructables
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; ...
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Murdock variable condenser
Marked: "Wm. J. Murdock Co. / Chelsea, Mass. / San Francisco". A rotary variable condenser in a cellophane enclosure, bakelite base and top. Twelve stator and eleven rotor plates. Knurled knob on ...
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Port Blakeley, Washington
Id Number: GA.24880.033Catalog Number: 24880.033 ...