Catalogue
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Osram Radio Valve Type CM8, by Osram Company, England, 20th Century
Inventory Number: 79293
Date: 20th Century
Maker Details: Signed by Osram.
Inscription: "G.E.C. LTD / TYPE C.M.8. / OSRAM / PHOTO CELL / MADE IN ENGLAND / 9662" printed on exterior surface of bulb.
Size: 125 mm in overall length (including top cap and base pins)
Materials: Glass, steel, bakelite?, assorted metals.
Other Given Number(s): Christie's 215.
Notes:
Osram Photo Cell Radio Valve Type CM8, in vertical glass envelope, with polished black bakelite? base. With four steel base pins and single steel top cap.
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