Details For Cover ID# 28282

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Cover Type: USA domestic with stamp(s)
Entered by: dwsnow
Added on:Jun 13, 19
Edited on:Jun 14, 19
Postmark: Nov 9, 1858
Origin: Philadelphia, Pennsylvania, UNITED STATES
Destination: Philadelphia, Pennsylvania, UNITED STATES

Blood's Penny Post, (1c) black, Henry Clay (#15L18) with red cancel  "Blood's Penny Post Philada. Nov 9, 2½ P.M. 1858" circular datestamp, on folded letter to Dr. C. Hering at 1012 N. 12th St. in Philadelphia, a meeting notice of the American Provers' Union.

Dr. Constantine Hering was the founder of the American Provers' Union, which promoted the new science of homeopathic medicine. The letter is a notice of a meeting of the group at the home of Dr. Brooks. The American Provers' Union was a group of physicians that aimed to attain medical knowledge through first hand experience. Their records reveal a dimension of medical thinking that has largely disappeared from modern practice: attention to the subjective sensations that link body and mind, physiology and personhood. Built into their quest was a righteous disregard for the considerable hazards of auto-experimentation.
Unfortunately, due to impairment in the record-keeping department, the physicians were “compelled to publish these provings in disjointed symptoms” rather than their usual orderly categories. Link to article:

Owner's ID: 2179
Certificate? No
For Sale? No
Stampless? No
Stamps:Stamp images are from reference catalog. Click image to view at larger resolution.