Science, Technology, Space Exploration & Meteorites

ALS signed “Rob't Fulton,” one page, 7.5 x 9, January 23, 1815. Letter to Baltimore merchant and politician Solomon Etting, in full:

ANS signed “Richard P. Feynman,” on a white double-weight 5.75 x 3.5 collector's card with raised borders, and a small image of Feyn

Extremely rare original drawings of steam engine parts by Robert Fulton, accomplished in ink and graphite on both sides of two off-white sheets, 9.75

ALS in German, signed “R. Koch,” one page, 4.75 x 3, South African govenrment postcard letterhead, March 22, 1897. Letter to Dr. Koh

ALS signed “Sam’l F. B. Morse,” three pages on two adjoining sheets, 5 x 8, April 30, 1862. Letter to Minister J. Treadwell

Stock certificate for shares in the explosives manufacturing firm founded by Alfred Nobel, Nitroglycerin Aktiebolaget, three pages on two adjoining sh

Extremely desirable vintage glossy 10 x 8 photo of Robert Oppenheimer seated at his desk with a pipe, signed in blue ballpoint. In fine condition, wit

Microsoft business card belonging to Bill Gates, 3.5 x 2, which identifies him as "Chairman and Chief Software Architect," signed in black...

Interesting archive from the papers of Gunther Stent, a noted molecular biologist and philosopher of science who was a longtime professor at UC Berkel

Group lot of nine typescripts of various works by biochemist and science fiction writer Isaac Asimov, each two pages, 8.5 x 11, all signed at the conc