Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 436
ery variety. A cylinder-holder as in fig. 349 can be [laced inthese jaws from which the benefits of the Neapolitan holder can besecured. -But tig. 346 shows a still greater improvement which can beapplied to both object-holders, viz. a perpendicular displacement bymeans qf a coy and spring… … Fig. 847.—Object-holder movable about two horizontal axes at right angles to each other. to which a cogged bar is fastened, into which a spring catches, whichis moved by the lever V, allowing a perpendicular displacement of theobject of 12 mm. At 0 is the millimetre scale on which the…
Microscopy
Internet Archive · Wellesley College Library · Public Domain Mark 1.0. Free to use for anything.
