細節
Scientific lantern
Sanger-Shepherd, London; polished-mahogany body, lacquered-brass fittings, metal lamphouse, condesning lens, two projection lenses and electric illuminant, in a fitted wood box
Sanger-Shepherd, London; polished-mahogany body, lacquered-brass fittings, metal lamphouse, condesning lens, two projection lenses and electric illuminant, in a fitted wood box