French physicist (1875-1960) who made advances in the study of X-ray diffraction, spectroscopy, and radio communications. ALS in French, signed “Broglie,” one page, 5.25 x 8.25, personal letterhead, March 12, 1924. Untranslated letter to an admiral. In fine condition, with two ballpoint notations added in an unknown hand.
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.
