Details
A 19th-Century slide viewer,
the lacquered-brass drum-shaped body with angled attachment, set of six numbered mahogany sliders and a specimen slider, in pine case -- 6¼in. (15.9cm.) wide; and a lacquered-brass Martin-type drum microscope, signed on the upper body-tube Crichton 12 Leadenhall Street London, with sprung stage and concave mirror, and set of six numbered objectives, in mahogany case (defective) -- 10 3/8in. (26.3cm.) wide (2)
the lacquered-brass drum-shaped body with angled attachment, set of six numbered mahogany sliders and a specimen slider, in pine case -- 6¼in. (15.9cm.) wide; and a lacquered-brass Martin-type drum microscope, signed on the upper body-tube Crichton 12 Leadenhall Street London, with sprung stage and concave mirror, and set of six numbered objectives, in mahogany case (defective) -- 10 3/8in. (26.3cm.) wide (2)