A 19th-Century lacquered brass "Popular" compound binocular microscope by R & J BECK LONDON & PHILADELPHIA NO.8073, with rack and pinion focusing, prism, circular stage and swivel mirror, with various accessories, in mahogany case - 16in. (40.6cm.) wide; and a lacquered brass "Popular" compound monocular microscope by R & J BECK NO. 9321, with rack and pinion focusing, double nose-piece, circular stage and various accessories, in similar case. (2)
A 19th-Century lacquered brass "Popular" compound binocular microscope by R & J BECK LONDON & PHILADELPHIA NO.8073, with rack and pinion focusing, prism, circular stage and swivel mirror, with various accessories, in mahogany case - 16in. (40.6cm.) wide; and a lacquered brass "Popular" compound monocular microscope by R & J BECK NO. 9321, with rack and pinion focusing, double nose-piece, circular stage and various accessories, in similar case. (2)
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")