The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 49
backward, by means of a screw (Figs. 24, 25, and 26, c) which turns in the plate (a). To the piece (b) can be attached smaller plates (d and e), which are intended to press against the sides of the spinal marrow, or other tissues, to hold them when cut ; the surface of these plates (d and e) serves… … advance or recede by turning the screws (c). By this movement the pre- paration is held or loosened. The plates (d) in Fig. 25, as can be seen by their shape, are suited to hold a piece of spinal marrow; those in Fig. 26 (e) have their inner margins parallel to hold other tissues, as liver, kidney,…
Medicine
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