The American journal of the medical sciences (1827)
[Thorofare, N.J., etc.] Charles B. Slack [etc.] · leaf 32
Hammond and Mitchell, Woorara. 26 [July Corroval. Physical and Chemical Characters. — The corroval when in large lumps is of a brownish black colour. Reduced to fine powder, it becomes a tawny yel- Fig. 1. low. The larger pieces … the microscope, is seen to consist of vegetable cells, starch granules, and other vegetable structures, oil globules, &c. Small grains of silica are also to be observed. ~No parts of animals of any kind can be discovered (Fig. 1). It is very certain that these latter do not enter into the…
Medicine
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