Lamp, electric, filament
Lamp, electric, filament, carbon, BC 45v Robertson, c.1910
The Robertson Company began to manufacture lamps in 1895. J. C. Robertson had begun working on electric lamps with St. George Lane Fox and the factory used by the company had originally belonged to the Brush Company, which had once manufactured Lane Fox lamps. Like other companies, the Robertson Company made a wide range of lamps.