Catalogue
388 of 655 records previous / next
4 Volt Fleming Valve, by Royal Ediswan, London, c. 1905
Inventory Number: 67148
Date: c. 1905
Maker Details: Signed by Royal Ediswan.
Inscription: "Royal Ediswan" printed on exterior surface of bulb.
Size: 130 mm in overall height
Materials: Teak?, glass, ebonite, metal alloy, nickel, assorted metals.
Other Given Number(s): Christie's 191.
Notes:
4 Volt Fleming Valve, in polished teak? gallows mounting. With ebonite panel and metal alloy terminal upon upper surface of gallows. With two metal alloy terminals upon upper surface of base. Bulb has vertically-mounted nickel anode and other metal components. Previously catalogued with other, similar 12 Volt Fleming Valve (Inv. Num. 89342)
388 of 655 records previous / next
Record mode: Basic | Medium Images | Large Images | Documents (2)