Science, Technology, Space Exploration & Meteorites

Extremely rare ALS, signed "Alan Turing," one page on a 5.75 x 4 color postcard depicting an illuminated manuscript from Flavius Josephus&...

Signed book: Superspace & Supergravity: Proceedings of the Nuffield Workshop, Cambridge, June 16-July 12, 1980. First edition. Cambridge: Cambri...

Important partially handwritten and twice-signed document in French, signed "Alfred Nobel" and "A. Nobel," one page both sides, ...

ALS in German, signed “Albert,” one page both sides, 5.5 x 7.25, Hamburg-Amerika Linie letterhead, January 1932. Significant letter

TLS in German, signed “A. Einstein,” one page, 8.5 x 11, The Institute for Advanced Study, Princeton letterhead, January 15, 1942. L

ANS in German, signed in full, “Albert Einstein,” one page on a 5.75 x 3.75 Hamburg-Amerika Linie postcard, December 1931. Einstein

Rare color vintage 4.75 x 7 paperstock photo of Einstein, signed at the bottom in fountain pen, "A. Einstein, 1947." Corner-mounted, matte...

Striking circa 1934 portrait etching of Einstein by J. J. Muller, 7.5 x 9.5, signed in the lower border in fountain pen by the genius subject, "...

ALS signed “Charles Darwin,” one page, 5 x 8, Down letterhead, April 26, 1876. Letter to James Edmund Harting, thanking him for manu

LS signed "Charles Darwin," three pages on two adjoining sheets, 5 x 8, Down letterhead, December 26, 1876. Letter to Katharine Murray Lye...

Desirable ink signature, "Dear Sir, yours faithfully, Charles Darwin,” on an off-white 3.5 x 1.5 slip, removably corner-mounted inside th...

World War I-dated TLS signed “A. Carrel,” one page, 8.25 x 11, December 19, 1916. Written from the "Hopital Temporaire 21, Rond-Roya

ALS signed “Jno. Bard,” three pages, 7.25 x 9, May 27, 1765. Letter to "Mr. Samuel Bard, Student in Physick at the University of Edi

TLS signed “G. W. Carter,” one page, 8.5 x 11, Tuskegee Normal and Industrial Institute letterhead, January 21, 1930. Letter to Henr

ALS in French, signed “P. Curie,” one page, 5 x 8, Faculte de Sciences de Paris letterhead, April 7, 1905. Letter to the secretary o

TLS, one page, 8.5 x 11, Lee de Forest Laboratories, Inc. letterhead, February 20, 1943. Letter to George Shanks. In part: "I have always regar...

Fantastic vintage matte-finish 8.5 x 6.5 photo of Thomas Edison seated with his employee Carl H. Wilson (vice president and general manager of Thomas

ADS, signed "Thomas A. Edison," one page, 5 x 3.5, Boston, February 3, 1869. Document related to his first successful invention, an improv...

Remarkable technical notes and diagrams by Thomas Edison, accomplished in pencil on an off-white 8.5 x 10.5 lightly lined sheet, unsigned, dated to Fe

ALS signed “Edison,” one page, 5 x 8, no date. Letter to Charles W. Luhr, superintendent and works manager of Edison's lab in West O

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

ALS signed “G. W. Carver,” one page both sides, 8.5 x 11, Tuskegee Normal and Industrial Institute letterhead, June 28, 1931. Letter

TLS signed “Thos. A. Edison,” one page, 8 x 10.5, From the Laboratory of Thomas A. Edison letterhead, September 15, 1916. Letter to

ALS signed “M. Faraday,” one page both sides, 3.25 x 4, embossed Royal Institution of Great Britain letterhead, March 30, 1858. Lett

Two handwritten drafts of letters in pencil by Groves, one signed “L. R. G.,” on opposite sides of a single 7.25 x 10.5 sheet of per

Partly-printed DS in German, signed “v. Helmholtz,” one page, 8.25 x 10.25, May 17, 1893. Untranslated prescription issued to Otto M

Partly-printed DS, one page, 15.75 x 10, August 26, 1807. Certificate accepting "Mr. Monet (francois)" as a member of the "Socié...

ALS in German, signed “W. C. Rongten,” one page, 5 x 6.5, May 27, 1921. Letter to Dr. H. Stenzel, who had requested a letter of reco

Scarce ADS in Italian, one page, 8.25 x 6, June 18, 1777. As a professor, Scarpa acknowledges a student’s enrollment, in full (translated): &q...

Typescript of the opening of 'Unique Is Where You Find It,' a short story from Isaac Asimov's 1985 science fiction compendium The Edge o...

ALS, one page both sides, 5.25 x 7, personal letterhead, July 18, 2002. Letter discussing codebreaking and the Enigma machines used by the Axis during

ANS in French, signed “P. Broca,” one page, 5 x 8, April 15, 1872. Printed invitation flyer for a meeting of the "Association Franca

ALS in French, signed “De Candolle,” one page, 7 x 4.5, no date. Letter to the curator of a museum, in part (translated): "For next

Printed letter, one page, 8.25 x 9.75, May 26, 1807. A letter to the "President and Members of the American Academy of Arts and Sciences,"...

Marvelous original vintage circa 1915 glossy 8 x 10 photograph of Thomas Edison with his employees Carl H. Wilson (vice president and general manager

Sharp original vintage circa 1910s glossy 9.25 x 7.5 photograph of Thomas Edison with two dapper gentlemen outdoors, all wearing long overcoats. Inher

ALS signed “J. Ericsson,” one page both sides, 7.5 x 9.25, May 28, 1855. In part: "I have your note of Saturday. I was fancied to sa

ALS, one page both sides, 7 x 9, Greenfield letterhead, February 15, 1937. Letter responding to a request to write his biography, in part: "In ...

ALS in German, signed “Otto,” two pages both sides, 8.5 x 11, colorful hotel letterhead, September 3, 1931. Long, gossipy letter to

Original ballpoint sketch of a microchip accomplished by Kilby on a 7.5 x 4 FDC honoring the modern innovation, signed in blue ballpoint, "J. S...

Vintage glossy 8 x 10 photo of Levitt holding a scale model, signed and inscribed in fountain pen, "To The Ken Browne's, with very best wis...