Actinic Lamps Hart & Bishop Original Patent Lithograph 1888

Actinic Lamps Hart & Bishop Original Patent Lithograph 1888

Regular price $99.99

DESCRIPTION:

On this original linen-backed lithograph from 1888, F. W. Hart and W. Bishop patented improvements to actinic lamps. The object is to construct a lamp for burning flashing powders. The powder is dropped through a funnel into a receiver which is contained inside the air reservoir.