Light bulb
Category
Glass
Date
1930 - 1939
Materials
Glass, Tungsten
Measurements
70 mm (Diameter); 124 mm (Length)
Order this imageCollection
Cragside, Northumberland
NT 1986296
Summary
A frosted Royal Ediswan light bulb made from glass with a tungsten filament and a bayonet fitting type. Manufactured by Edison and Swan Electric Light Company.