A fine lacquered brass Solar microscope signed B.MARTIN LONDON, screw barrel microscope with rack and pinion focusing, body tube with condenser lens into square plate, rack and pinion adjustment to rectangular mirror, in fitted velvet lined case with papercard cased brass wet cell and four bone slides c.1775 - 10½in.(26.5cm)wide

細節

A fine lacquered brass Solar microscope signed B.MARTIN LONDON, screw barrel microscope with rack and pinion focusing, body tube with condenser lens into square plate, rack and pinion adjustment to rectangular mirror, in fitted velvet lined case with papercard cased brass wet cell and four bone slides c.1775 - 10½in.(26.5cm)wide

拍品專文

Benjamin Martin (1704/5-1782) was one of the foremost scientific instrument makers of the 18th Century specialising in optics, microscopes and spectacles, while also covering the whole spectrum of Scientific instruments and globes. In the 1770's Martin introduced his 'opake solar microscope' which proved very popular on his lecture circuit