RR Auction: Fine Autographs and Artifacts featuring Science and Technology

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