RR Auction: Fine Autographs and Artifacts featuring Science and Technology

TLS signed “A. Einstein,” one page, 8.5 x 11, blindstamped Princeton letterhead, January 16, 1954. Letter to Mr. Charles Hapgood, enclosing a carbon c

Amazing circa 1950 hardcover autograph album, 5 x 7, signed inside by numerous luminaries from Princeton's Institute for Advanced Study, includi...

TLS in German, signed “A. Einstein,” one page, 8.75 x 11, personal Caputh letterhead, June 1, 1931. Letter to Mr. Kohn, in full (translated): "...

TLS signed “E. Fermi,” one page, 6 x 9.5, King's Crown Hotel letterhead, January 8, 1939. Letter to Dutch-American physicist Samuel A. Goudsmit,...

ALS signed “M. Faraday,” one page, 4.25 x 7, blindstamped Royal Institution of Great Britain letterhead, September 26, 1857. Letter to C. C. Maxwell o

Fantastic ballpoint signature, "Richard P. Feynman,” with one of his famous 'Feynman diagrams' below, on an off-white 4.5 x 3 card bear...

Untranslated ALS in French, signed “Flourens,” one page, 5 x 8, December 24, 1835. In fine condition, with seal-related paper loss to the integral add

ALS in French, signed "L. Foucault," one page, 5 x 7.5, July 23, 1850. In part (translated): "It seems to me that the weather is suff...

ALS in French, signed “Fourier,” one page, 7.5 x 9.25, no date. Untranslated letter to the mayor of Grenoble. Addressed on the integral address leaf i

Remarkably early bold ink ownership signature, "Sig. Freud, stud. med., 1875,” on an off-white 3.75 x 5.75 page removed from one of his books. ...