Light bulb
Category
Glass
Date
1918 - 1925
Materials
Glass, Tungsten, Dumet
Measurements
171 mm (Length); 114 mm (Diameter)
Order this imageCollection
Cragside, Northumberland
NT 1986523
Summary
A Royal Ediswan light bulb made from glass with a tungsten filament and a bayonet fitting type. Manufactured by Edison and Swan Electric Light Company.