Beck, Conrad, 1864- · London, R. & J. Beck, Ltd. · leaf 54
e slid up and down, is the most convenient simpleapparatus for holding a 3 x 1 slip, as a very even motion verticallycan be obtained by pushing the ledge up and down, and laterallyby pushing the slip to and fro along the edge of the ledge. Thereare two springs on the ledge which press the slip on… … FiQ. 44.—No. 3307, Sliding Ledge. amount equal to the field of view of the microscope, and thespecimens pushed all the way along. It can then be raised asimilar amount andpushed back, and80 on till thewhole area hasbeen searched. Itis not so conveni-ent as a mechani-cal stage, butmakes an…
Microscopy
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