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

Nobel Prize-winning Austrian theoretical physicist (1887–1961) who achieved fame for his contributions to quantum mechanics, known especially for form

Rare and highly desirable AQS in pencil on the reverse of a 3 x 1.5 calling card belonging to Charles A. Bragg. The quote, in full: "Throughout...

EAI MiniAC analog computer with EAI Repetitive Operation Display Unit (RPI 0314) and EAI Variplotter 1110 plotter unit: the MiniAC measures 32.5 x 22

240 Simulator analog computer made by Simulators, Inc. of Northbrook, Illinois. The main 240 Simulator unit measures 20 x 26 x 22, and features colorf

Impressive Wild Heerbrugg BC-4 ballistic camera system, designed for optical tracking of satellites and missiles with photogrammetric geodetic positio

Remarkable Wild Heerbrugg T4 astronomical theodolite, renowned as one of the largest and most precise instruments ever made for geodetic astronomy and

Aircraft flight controller data recorder, measuring 6? x 11? x 6?, with a plate on the side reading: "RO-311/AKQ-1, Ser. No. 0007, Pt No Mfr. 9...

Uncommon collection of early computer parts, including: a group of four 7 x 5.5 circuit boards manufactured by Abacus Incorporated, with three designa

Collection of manuals, reference books, and floppy disks for Autodesk's AutoCAD (Release 12), including: installation and performance guides; fu...

Two pieces of hardware: a Bafco Model 916 frequency response analyzer (which the consignor notes was used at the North American Rockwell plant in Down