The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 26
with a circular opening 1 centimetre in diameter, the depth of the cell being exactly \ mm.; e, the covering glass to fit over the cell. A drop of fluid is represented in the cell. f, is a small glass cup to receive the blood and artificial serum for mix- ing. It fits into a brass stand g, to… … The large square of the micrometer is further divided into sixteen smaller squares, while each smaller square contains a line drawn half way across it to facilitate the counting. 1 De la Numeration des Globules du Sang, Graz. Hebd., May 7, 1875, p. 291.
Medicine
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
