拍品 250
250
A rare late 19th-Century compound monocular microscope,
VAT rate of 5% is payable on hammer price plus bu… 显示更多
A rare late 19th-Century compound monocular microscope,

细节
A rare late 19th-Century compound monocular microscope,
signed on the circular platform stand J. Zentmayer Philadelphia, with rack and pinion focusing, fine-screw adjustment, double nose-piece, the shaped limb with the fine adjustment mechanism located on the stage, with glass panel and slide attachment, sub-stage wheel condenser and plano-concave mirror, the axis with truncated pillar and circular base, mounted on a fruitwood stand and contained in a mahogany carrying case -- 13½in. (34.3cm.) high

See Colour Illustration
注意事项
VAT rate of 5% is payable on hammer price plus buyer's premium.

拍品专文

This rare Zentmayer of circa 1875 was apparently in limited production only and replaced by the 'American Histrological Microscope' which was patented in 1876.