An arrangement devised by the late Mr. Quekett, for a dissecting microscope, represented, is one of value and convenience.
The dissecting microscope is made by Mr. Ladd of Beck Street, and is furnished by him with three magnifiers, namely, an inch, and half-inch, ordinary lenses, and a quarter-inch Coddington; these will be found to be the […]

Another highly-useful and more complete simple biology lab microscope was contrived by Mr. Valentine, and made for him by Mr. Ross in 1831. It is thus described by the latter gentleman, and is represented. It is supported on a firm tripod, made of bell-metal, the feet of which, are made to close up for the […]

A microscope, as we have before explained, may be either a single, or simple, or a compound instrument. The simple microscope may consist of one or of two or three lenses; but these latter are so arranged as to have the effect only of a single lens. In the compound microscope, not less than two […]

THE instrument known as the Microscope derives its name from two Greek words, small, and to view; that is, to see or view such minute objects as without its aid would be invisible. The honors of the Italians and the Dutch; the name of the inventor, however is lost. Probably the discovery did not at […]