RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Collection of 28 ALSs on postcards sent to Charles G. Siewers by various entomologists, dated from the 1870s to 1880s, including: Charles Dury (16), C

French physician (1781-1826) who invented the stethoscope in 1816 and pioneered its use for diagnosing chest problems. ALS in French, one page both si

Austrian-American psychiatrist, psychosociologist, and educator (1889–1974) who was the founder of psychodrama and the foremost pioneer of group psych

TLS in German, signed “Ihr Jung,” one page on a 5.75 x 4 postcard, June 11, 1932. Letter to Dr. Wolfgang Kranefeldt, in full (translated): "Rec...

Pioneering archaeologist (1822-1890) best known for his excavations at the ancient sites of Troy and Mycenae. ALS in German, signed “H. Schliemann,” o

Scottish geologist (1792–1871) who was the first to investigate the Silurian system. ALS, four pages on two adjoining sheets, 4.5 x 7, August 1, 1861.

Exceptional ALS, one page, 5.25 x 7.5, black-bordered letterhead, September 22, 1881. Addressed to the Executive Mansion, a letter to J. Stanley Brown

Bold ink signature, "Alexander Graham Bell,” on an off-white 4.5 x 1.5 slip clipped from the close of a letter, with Bell adding the year, &quo...

German inventor and mechanical engineer, famous for the invention of the diesel engine, who died under mysterious circumstances in 1913. Rare ALS in G

ALS signed "Sam'l F. B. Morse," one page, 8.25 x 10.5, January 11, 1848. Letter to Secretary of the Treasury Robert J. Walker. In part...

Inventor of photographic equipment, along with his brother, Auguste. In 1893 they developed, the cinématographe, and showed the first motion pi...

American engineer (1866-1945) who developed the first submarine to operate successfully on the open seas. Two items: a DS, 11.5 x 8.25, June 14, 1916,

Highly detailed contractor model of a Beaver Mark series Workboat Submarine designed by the Autonetics Division of North American Aviation. Measuring

Untranslated ANS in German, signed “G. v. Zeppelin,” penned at the start of a two-page letter addressed to him by an unknown recipient, 8.75 x 11.25,

German engineer (1838-1917) who designed the famous rigid airship that bears his name. Fountain pen signature, "G. v. Zeppelin, Januar 1916,” o...

Physicist and inventor (1882–1945) credited with creating and building the world's first liquid-fueled rocket. Fountain pen signature, "R. ...

Superb vintage semi-glossy 10 x 8 full-length photo of Lindbergh posing with flying aces Marcel Doret, Cliff Henderson, Fritz Lohse, Richard Atcherley

Vintage color semi-glossy 11.25 x 9 group photo of six legendary cosmonauts, signed in the lower border in various ink types by Yuri Gagarin, Gherman

Extremely rare flight qualified Apollo/Skylab Series 308 Maurer Data Acquisition Camera, measuring approximately 6 x 3.75 x 2.5, with a part ID plate

Flown sterling silver Apollo 10 Robbins medal, approximately 1.25 x 1.25, with a raised design on the face of the mission insignia and the last names