RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Important American botanist (1810–1888) whose extensive studies of North American flora did more than the work of any other botanist to unify the taxo

Important British botanist and explorer (1817–1911) who was Charles Darwin's closest friend; he served as director of the Royal Botanic Gardens,...

Hydrolab Environmental Data Systems 8100 Series water quality data transmitter, measuring 31? long and 3.75? in diameter, comprising a clear plastic t

An F-9 field plotter by Interpretation Systems Incorporated, 24 x 14 x 4, with on/off switch, probe input, a block of nine dial knobs, a balance gauge

French physician (1781–1826) who invented the stethoscope in 1816 and pioneered its use for diagnosing chest problems. Partly-printed DS, one page, 15

Extremely influential French chemist (1743–1794) noted for his discovery of the role oxygen plays in combustion; he was executed by guillotine during

American artist and inventor (1791–1872) whose development of the telegraph revolutionized worldwide communication. ALS signed “Sam'l F. B. Mors...

American artist and inventor (1791–1872) whose development of the telegraph revolutionized worldwide communication. Fantastic 4.25 x 6.5 cabinet photo

Group of three circa 1960s personal analog computers in brown carrying cases, manufactured by Pastoriza Electronics in Boston, with each case containi

Handwritten manuscript in French by Louis Pasteur, unsigned, one page, 7 x 9, May 24, 1858. Notes on the work of Monsieur Rets entitled ‘Present state