Light bulb
Hygrade Incandescent Lamp Co.
Category
Glass
Date
1920 - 1929
Materials
Glass, Gas
Measurements
70 mm (Diameter); 140 mm (Length)
Place of origin
United Kingdom
Order this imageCollection
Cragside, Northumberland
NT 1986136.1
Summary
A light bulb made from glass with a bayonet fitting type. Manufactured by Hygrade.
Full description
A light bulb made from glass with a bayonet fitting type. Manufactured by Hygrade.
Makers and roles
Hygrade Incandescent Lamp Co., manufacturer