RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Four glossy photos of famed Tuskegee airman Charles McGee, 8 x 10 and 10 x 8, each signed in thin black felt tip, “Charles E. McGee,” who adds various

German flying ace (1896–1941) whose 62 victories during WWI made him the country's second-highest scoring ace, outdone only by Manfred von Richt...

Agiflite handheld aerial camera for use by the US Navy, comprising a Mk. 2 D body with trigger-style shutter release, two 70mm film magazines, a Carl

Complete ‘Educator Set’ of promotional posters issued for Apple’s iconic ‘Think Different’ campaign from 2000, containing all ten 11 x 17 posters, wit

Collection of Degem Systems hardware that forms a large radio communications training system, as would be used by a university or industry. There are

Polish-born French physicist (1867–1934), she and her husband Pierre discovered two new elements, polonium and radium; for this work they received the

Collection of 12 pieces of vintage computer hardware, including: three Hughes Aircraft core memory modules, marked "1570032-100"; a core m...

ALS signed “C. Darwin,” four pages on two adjoining sheets, 4.5 x 7.25, "Thursday 8th" [August 8, 1850]. Letter to Nathaniel Thomas Wether...

ALS signed “Charles Darwin,” one page, 5 x 8, personal Down House letterhead, June 11, [no year]. Letter to Henry Nottidge Moseley, a British naturali

French physicist (1892–1987) known for his theory that matter has the properties of both particles and waves, who was awarded the 1929 Nobel Prize in

Detecting-ranging portable sonar set made by Futuronics Corp. for use by Navy scuba divers, measuring approximately 12? in diameter and 11? tall, with

Collection of 23 early computer boards and devices, with manufacturers and types including: Motorola (M68HC11EVB Evaluation Board); Intel (MCS-80 Syst

Collection of 44 early computer boards with various vintage surface-mounted components, with manufacturers including: Autonetics, Beckman, CDC, ESI, F

Sharp original vintage circa 1913 matte-finish 8.5 x 6.5 photograph of Thomas Edison seated at his desk with a "Mr. Wilson," as captioned ...

ALS in German, signed “A. Einstein,” one page, 3.5 x 5.5, postcard letterhead, April 1926. Letter to Hans Reichenbach in Stuttgart, Germany, concernin

TLS signed “A. Einstein,” one page, 8.5 x 11, blindstamped Princeton letterhead, July 28, 1951. Two letters to Dr. Alessandro Cortese in New York City

Fantastic hand-painted silhouette portrait of Albert Einstein's distinctive profile, accomplished in ink on an off-white 6.75 x 10 sheet, signed...

TLS in German, signed “A. Einstein,” one page, 8.25 x 10.25, blind-stamped personal letterhead, June 23, 1939. Letter to Edward Barsky of the Medial A

Sought-after fountain pen signature, "Albert Einstein,” on the reverse of an off-white 3.5 x 2 business card for Vic Kostuk's Polish-Americ...

American inventor (1818–1903) best known for his invention of the Gatling gun, considered to be the first successful machine gun; his other inventions