Wood, J. G. (John George), 1827-1889, West, Tuffen, Knapp, Arthur M., former owner · London ; New York : Routledge, Warne, and Routledge · leaf 26
the accompanying illustration will show the mannerof arranging it. The light is thrown perpendicularly upon the object ARRANGEMENT OF LIGHT, 15 by means of a common condenser, and the handsare so placed as to avoid getting in the way of thelight. In practice it will be found very useful tosupport… … DISSECTING UNDER WATER. board of the same height as the edge of the glass cell,flat for two inches or so, and then sloped away so as toform an inclined plane. Great care must be taken with the points of theneedles that they are perfectly smooth and polished, asif there is the least roughness they…
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