Catalogue
395 of 655 records previous / next
Marconi Radio Valve Type FE2, by Marconi Company, London, c. 1922
Inventory Number: 68373
Date: c. 1922
Maker Details: Signed by Marconi's Wireless Telegraph Co. Ltd.
Inscription: "MARCONI'S W. T. CO. LTD. / 5 RR11FA" printed on exterior surface of bulb.
Size: 75 mm in overall length
Materials: Glass, nickel?, assorted metals.
Notes:
Marconi Radio Valve Type FE2 (Four Electrode 2), in thin glass envelope with nickel-plated? caps. With cylindrical band mesh lattice surrounded by additional cylindrical mesh lattice. Uses positive tension to draw electrons to anode. Based on FE1 valve (first produced 1920), but smaller in size. With cylindrical band mesh lattice surrounded by additional cylindrical mesh lattice. Uses positive tension to draw electrons to anode. Damaged, missing one end cap and other caps partially corroded.
395 of 655 records previous / next
Record mode: Basic | Medium Images | Large Images | Documents (2)