Catalogue
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Marconi Radio Valve Type 42A, by Marconi Company, Italy, 20th Century
Inventory Number: 19824
Date: 20th Century
Maker Details: Signed by Officine Marconi-Genova.
Inscription: "Officine Marconi-Genova / 42 A" printed on exterior surface of bulb. "1061" printed on exterior surface of bulb.
Size: 105 mm in overall length (including top caps and base pins)
Materials: Glass, steel, plastic?, assorted metals.
Notes:
Marconi Radio Valve Type 42A with unmatching printed carton. With glass balloon, dual steel top caps, polished black plastic? base and two steel base pins.
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