Gould's Improved Pocket Simple & Compound Microscope by Cary, 1830

 

This is the smaller size of the Gould microscope made by Cary. William Cary was a very popular London microscope maker in the late 18th century. By 1821, Cary was established at 181 Strand, London, his two nephews now also working out of this shop ultimately taking control of the business after his death in 1825. One of his employees, Charles Gould, eventually designed this well known type of pocket microscope. The microscopes are compact and fold into their small mahogany cases, which also serve as the base for the opened instrument. The microscope is signed Cary London.

Though interesting by their concept and design, the Gould type microscopes were completely meaningless in terms of the advance of science and field microscopy, being too delicate for professional use, having low magnifications and suffering from severe spherical and chromatic aberrations. But due to their relatively low prices they had their role in advancing the awareness to the ability of taking a compound microscope out to the open.

From the accompanying booklet: "This microscope... has been found, upon comparison, by several scientific gentlemen, superior in power to, and more distinct, than many of the larger and more expensive instruments of the kind. It shuts up in a case, three inches by three and a half, and may be carried in the pocket without the slightest inconvenience."

ReferencesSML: 1912-209, 1951-278, A56437, A49490, A200765, A601198, A601076, A601068; MHS: 43305; Golub: 47; NMS: 000-100-104-264-C; Turner 1989: pp. 75–85; Nuttall 1979: 6; Whipple: 1801, 946, 944, 161; Harvard: , 1188; Turner 1981: 65; Sobel.; Wissner; Molecular Expressions; Bononiae 

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