細節
A 19th-Century lacquered-brass continental-pattern compound monocular microscope,
unsigned, with bull's-eye condenser, concave mirror, two eyepieces and two objectives, in mahogany case with trade label for J. Robinson & Sons, London -- 11½in. (29.2cm.) wide; and a student's monocular microscope with iron stand and rack and pinion focusing, in mahogany case -- 9½in. (24.1cm.) wide
unsigned, with bull's-eye condenser, concave mirror, two eyepieces and two objectives, in mahogany case with trade label for J. Robinson & Sons, London -- 11½in. (29.2cm.) wide; and a student's monocular microscope with iron stand and rack and pinion focusing, in mahogany case -- 9½in. (24.1cm.) wide