Eminent French physiologist (1813–1878) who was one of the first to suggest the use of blind experiments to ensure the objectivity of scientific observations. ALS in French, one page, 4 x 5.25, blindstamped monogram letterhead, April 21, 1869. Untranslated handwritten letter pertaining to a scheduled meeting of a physiology commission. In fine condition.
![]()
This item is Pre-Certified by PSA/DNA
Buy a third-party letter of authenticity for
(inquire for price)
*This item has been pre-certified by a trusted third-party authentication service, and by placing a bid on this item, you agree to accept the opinion of this authentication service. If you wish to have an opinion rendered by a different authenticator of your choosing, you must do so prior to your placing of any bid. RR Auction is not responsible for differing opinions submitted 30 days after the date of the sale.
Third-party authentication service applies only to signatures and handwriting, and does not cover the addition of sketches, artwork, musical quotations, etc.