Blub fitting is a standard size bayonet cap.
Vintage Glass Holophane Pendant Light (No1)
Vintage Heavy Holophane Prismatic Ribbed Glass Pendant Light Industrial 38cm
Vintage 1950s Original Large Ribbed Glass Holophane Light Downlighter 3 Avail
Large 15' Vintage Industrial Holophane, Pendant Glass prismatic, Light, Shade.
Vintage Ribbed Clear Glass Holophane Style Shades 6.5" Wide 2 1/8" Fitter
