Address before the American Medical Association, at the anniversary meeting in Cincinnati, May 8, 1850 / by John C. Warren.

  • John Collins Warren
Date:
1850
Catalogue details

Licence: Public Domain Mark

Credit: Address before the American Medical Association, at the anniversary meeting in Cincinnati, May 8, 1850 / by John C. Warren. Source: Wellcome Collection.

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    30 of many others of my own countrymen, I would not have the omission attributed to a want of due esti- mation of their talents and their labors, but to the difficulty of selecting those who have been more known to fame than the rest. I shall conclude this brief sketch by adverting to some of the principal improvements in out science in the later years of the past half-century, — the microscope, lithotrity, tenotomy, cold water, and ether. Tue Mricroscorr.— The first improvement to be noticed is in the restoration of the microscope. This instrument was successfully employed by Mat- PIGHI, LEUWENHOEK, SWAMMERDAM, LIEBERKUHN, and others; but afterwards fell into neglect. About the middle period of the present half-century, its structure was improved by the introduction of achro- matic lenses; and its use revived with such striking results as led to its extensive application in Germany, France, and England. Not only has it revealed a great number of objects in anatomy and physiology, but it has thrown light on the very obscure distine- tions between healthy and morbid growths. It has gone even farther; and, penetrating to the origin of organized bodies, it has surprised nature in the very
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