Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 170
pressorium (§ 70). 69. Zoophyte-Trotigh.—For the examination of livingaquatic objects, too large to be conveniently received intothe Aquatic Box, the Zoophyte-trough contrived by Mr.Lister may be employed with great advantage. This consistsof a trough of the shape represented in Eig. 48, formedof… … Zoophyte-Trough, able to move freely between its sides; and of a horizontalslip of glass, whose length equals that of the inside-bottomof the trough, but whose breadth is in- Fig. 49. ferior by the thick-ness of the platejust mentioned. Thetrough being filledwith water (fresh orsalt as the case…
Microscopy
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