RR Auction: Fine Autographs and Artifacts featuring Science and Technology

ALS in Dutch, signed “Henk. Casimir,” one page both sides, 8.25 x 11.75, June 22, 1933. Letter to Dutch-American physicist Samuel A. Goudsmit. In part

Lengthy ALS in Dutch, signed “Henk. Casimir,” four pages both sides, 8.25 x 11, September 27, 1930. Letter to Dutch-American physicist Samuel A. Gouds

ALS signed “J. Chadwick,” one page both sides, 8 x 9.5, February 2, 1958. Letter to Nobel Prize–winning physicist Isidor Isaac Rabi, marked "Co...

ALS signed “J. Chadwick,” one page, 5.5 x 7, Wynne's Parc, Denbigh, N. Wales letterhead, March 23, 1966. In full: "I am sorry that I no lon...

LS in French, signed “J. Chaptal,” one page, 7.75 x 12, Senat-Conservateur letterhead, December 20, 1805. Untranslated letter as treasurer of the sena

Untranslated ALS in French, signed “Chevreul,” one page, 5.25 x 8.25, Museum d'Histoire Naturelle letterhead, March 20, 1878. In fine condition.

TLS, one page, 4 x 6.25, personal letterhead, July 22, 1890. Letter to M. L. Olivier in Paris, in part: "I am not able to tell you the exact da...

Uncommon TLS in French, signed “M. Curie,” one page, 8.5 x 10.75, Faculte des Sciences de Paris, Institut du Radium letterhead, May 15, 1922. Letter t

Extremely rare Union Bank of London check, 7 x 3.25, filled out and signed by Darwin, "Ch. Darwin," payable to Mr. Nicholls for £34.1...

ALS signed “C. Darwin,” two pages, 4.75 x 7.75, February 16, [1861]. Letter requesting a book on poultry by George Ferguson, in part: "Will you...