Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 121
n out and replaced by theBinocular already described.(§ 38, Fig. 28). The slow mo-tion is given by a milled-headplaced at the top of the sliding-stem, so as to be near that whichgives the rack-and-pinion ad-justment. The chief peculiarityof this instrument, however, liesin its Stage, which the… … Nachets Students Microscope. * This Microscope, with two Eye-pieces, and with fairly good Objectives of2-3rds and l-5th inch, is sold in New York for So dollars, or little more than£7. It could probably be made in this country (if there were a considerabledemand for it) for 5 guineas. t This Stage,…
Microscopy · Biology
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