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Experimental Two-Valve Set, c. 1916
Inventory Number: 76048
Number of documents: 1
Document Type: Miscellaneous Note
Document Heading: Inscription
Text:
"MARCONI'S WIRELESS / TELEGRAPH CO. LTD. / NO 161672 LONDON" on brass plaque on rear of telephone jigger box. "WITH / TELEPHONE CONDENSOR" stamped in ink on underside of telephone jigger box. Two brass plaques stamped "TELEPHONE" and "RECEIVER" near terminals on top of telephone jigger box. "80 METRES / REAR" stamped on front of wireless sets.
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