Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 328
f the trough, sothat it may be moved freelyAvithin it, also a slip of glassthat will lie on the bottom andfill it, with the exception of thethickness of this loose plate.To use it, the slip is put uponthe bottom, the loose plate isplaced in front of it with itsbottom edfte touching the inside of… … 298 ACCESSORY APPARATUS is kept in check by a small strip of bent whalebone,1 which is placedbetween the vertical plate and the back glass of the trough. Bymovin* the ivory wedge up and down the amount of space leftbetween the upper part of the vertical plate and the front glass ofthe trough can be…
Microscopy
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