Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 137
(75°), is £20. Any Accessories can readily beadded to it. 83 CONSTRUCTION OF THE MICROSCOPE. head placed underneath the stage on the left-hand side; this turnsa pinion which works against a circular rack, whereby the wholeapparatus above is carried round about two-thirds of a revolution,without in… … Bosss First-class Microscope. the stage, and m front of the stem that carries the mirror, is adovetail sliding-bar, which is moved up and down by the milled-head shown at its side; this sliding-bar carries what is termed byMr. Ross the Secondary stage (shown sejDarately at b), whichconsists of a…
Microscopy · Biology
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