Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 480
ep grooves arecut on opposite sides of the stopper, so arranged that by giving thestopper half a turn one groove is connected with a hole in the neckof the bottle : this will be seen at a in ti<;. 363 ; the air travels downthis groove, and by inverting the bottle the fluid enters the othergroove… … Fig. 862.—Expan-sion drop-bottle. Fig. 868.German drop-bottle. 448 PREPARATION, MOUNTING, AND COLLECTION OF OBJECTS tome, or membranes obtained by dissection, do not require to beplaced in cells when mounted in any viscid medium • since its tena-city will serve to keep off injurious pressure by the…
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