RR Auction: Fine Autographs and Artifacts

French chemist (1754"“1826) known for his discovery of the law of constant composition, stating that chemical compounds always combine in...

French biologist and philosopher (1894"“1977) whose work covered many fields including amphibian embryology, the history of science, nucl...

Two items signed by the polio vaccines developers: a felt tip signature, "Jonas Salk," on an off-white 5 x 3 card; and an ink signature an...

British geologist, Anglican priest, and one of the founders of modern geology (1785"“1873), who proposed the Cambrian and Devonian period...

Large Simtronix Environmental Monitoring System submersible sensor, measuring 33.5Ë long and 8Ë in diameter, used to measure the underwate...

Glossy 2.5 x 2.5 photo of the discoverer of Pluto in a suit and tie, signed in blue ballpoint, "Clyde W. Tombaugh." In fine condition.

ALS signed "Clyde W. Tombaugh," one page, 8.5 x 11, New Mexico State University letterhead, January 19, 1989. Handwritten letter describin...

Scientist (1914"“2006) for whom the Van Allen radiation belts were named following the 1958 Explorer 1 and Explorer 3 satellite missions....

Assistant (1854"“1934) to Alexander Graham Bell remembered as the recipient of the first telephone call, when Bell famously said: 'Mr...

Chinese theoretical physicist (born 1922) who made significant contributions to statistical mechanics, integrable systems, gauge theory, particle phys

Chinese theoretical physicist (born 1922) who made significant contributions to statistical mechanics, integrable systems, gauge theory, particle phys

Vintage matte-finish 4 x 6 bust-length photo of the West German chancellor, signed in the lower border in fountain pen, "Adenauer." In ver...

Vintage 2.75 x 5.5 photogravure of the seated Queen Alexandra by W. & D. Downey, affixed to its original 5.5 x 8 mount, signed on the mount in f...

Color satin-finish 5 x 7 photo of Palestinian leader Yasser Arafat, signed in black ink, "Y. Arafat, 12/2/94." Housed in its original 6.25...

Vellum manuscript DS, signed "John Armstrong, Jr." and "Chas. Biddle," one page, 15.25 x 13.5, April 4, 1787. Document issued by...

Danish general and Crown Prince of Sweden (1768"“1810) who was adopted by Charles XIII in 1809. He died suddenly the next year falling of...

Swiss antiquarian, jurist, philologist, and anthropologist (1815"“1887) who is most often connected with his theories surrounding prehist...

TLS signed "M. Begin," one page, 8 x 9, November 19, 1974. Letter to L. J. Sylver in Miami, in part: "Please accept my deep gratitude...

Unusual original felt tip 'self portrait' sketch of his teeth and goatee accomplished by Branson on an off-white 7.75 x 9.75 sheet, signed b...

Vintage color 5.5 x 3.5 postcard of the U.S. battleship, the "˜Nebraska,"™ signed on the front in fountain pen, "W. J. Bry...