Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 203
r by three brassscrews ; these, being fixed in the back plates, pass through the front,where their projecting ends are furnished with small milled-heads.Between these plates are two rectangular plates of glass, cut to sucha length as to lie between the two side-screws of the vulcaniteplates, and… … Botterills Zoophyte Trough. india-rubber, of such a diameter as to lie just outside the semicir-cular margin of the vulcanite plates; and they thus form the sides * Joura. Eoy. Microsc. Society, Vol. ii. (1879), p. 55.f lb id., Vol. iii. (1880), p. 585.—This Parabolized Gas-Slide is made by…
Microscopy · Biology
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