Miniature opera glass in ivory with brass mount; pierced for Stanhope lenses. Opera glass' mount for microphotograph
Mount; 140x420mm; shot-silk material covered (red); plush front; apertures for photographs: 2 circular 60mm diameter, 1 ovl 80x120mm. Plush hanging mount for photographs
Early design of Solenoid Focusing Mount for a type N 1013 Travelling Wave Tube Early design of Solenoid Focusing Mount
Paper mount supporting two palladium foils from Michael Faraday's chemical chest, England, 1820. Paper mount supporting two palladium foils 1820
Wooden mount, glass fronted. Contains various pills, in compartments from China. Mount made in England, circa 1900-1930. Contents from China circa 1830-1920. Wooden mount 1900-1930