Common objects of the microscope / by J.G. Wood ; with ... illustrations by Tuffen West.

  • Wood, J. G. (John George), 1827-1889.
Date:
[1891]
Catalogue details

Licence: Public Domain Mark

Credit: Common objects of the microscope / by J.G. Wood ; with ... illustrations by Tuffen West. Source: Wellcome Collection.

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    object to be seen by means of light thrown from below, but this defect is easily remedied by cutting a hole in the dissecting table and placing a mirror beneath. The tools employed for dissection need not be many nor complicated, and can all be purchased for a very few shillings. A very small scalpel, with a double edge, is always useful, and should be extremely flat and thin in the blade, as well as kept to the very acme of sharp- ness by an occasional touch of a hone and razor-strap. Three pairs of scissors are needful: one tolerably stout, for cutting hard substances, such as the wing-cases and external skeletons of beetles; another, very long in the handles, and very short and delicate in the blades, for the purpose of severing minute tissues ; and the third pair bent like the beak of the avocet, to enable the dissector to snip off those little projections which are continually getting in the way, and which cannot be reached by a straight blade without running the risk of damaging the dissection. Two pairs of forceps will also be required, one straight and strong, and the other fine and curved, aa