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August 5, 1922

A SIMPLE MECHANICAL STAGE

Author Affiliations

Ray Brook, N. Y.

JAMA. 1922;79(6):463. doi:10.1001/jama.1922.26420060001013

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Abstract

The apparatus here described is a simple, efficient and inexpensive mechanical stage for the use of students practicing microscopy.

The frame is of wood, well smoothed with fine sandpaper, and glued at the corners. Its outside dimensions are 3 by 4 inches. On the right cross-piece a vertical hole receives a handle made by bending heavy wire into shape. A large opening has been drilled horizontally beneath, making the wire accessible from the side so that a thread may be wound about it by turning the handle.

The slide carrier imitates those on the expensive machines. It is made of wood 5½ inches long, ⅛ inch thick and ½ inch wide, except for a projection on the right side which makes the width on that side ¾ inch. This projection receives the slide; a flat spring cut from thin brass ⅛ inch wide and 2 inches long is placed at

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