Science, Technology, Space Exploration & Meteorites

Rare 2003 color 24 x 36 Apple Computer promotional poster for the launch of AppleMusic.com, the company's first music distribution system, which...

Three items: a red 5.25" Floppy Disk signed in black felt tip by Steve Wozniak, "Woz"; a color glossy 14 x 11 photo of an Apple-1 com...

Uncommon pair of color Power Computing promotional posters distributed in small quantities at the Macworld Expo held at San Francisco’s Mosco

Rare and historic circa 1950s 4-wire core memory plane, featuring a 10 by 15 array with 150 separate ferrite cores hand-wired into the plane. The over

Rugged militarized Magnetic Bubble Recorder-Reproducer made by Singer-Librascope for an AN/SLQ-32 Electronic Warfare Suite used on US Navy ships, meas

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

Original 1989 Nintendo Entertainment System (NES) Action Set in its original box, including the 'Control Deck' gaming console, two controlle...

Large and impressive print drum from a Burroughs 220 printer, measuring 17 1/2˝ across with a 3 3/8˝ diameter, and weighing 27.4 pound

Two-piece fence from a circa 1950s drum memory system, more than likely a prototype since there are no part numbers or other identifying features. Thi

Very early circa 1830s Cooke-Wheatstone single-needle telegraph set, mounted on a wooden stand measuring approximately 5.75˝ x 11.5˝ x

Impressive analog music synthesizer prototype named 'The Processor,' one of two examples designed and built circa 1975 by electrical enginee...

Rare circa 1860s Caton lineman's pocket telegraph set, as used by spies during the Civil War. Measuring just 5˝ x 2.25˝ x 1.25

Highly desirable circa 1860s Civil War–era 'camelback' telegraph key by G. M. Phelps, handsomely crafted from brass with hairpin sprin...

Very early circa 1860s Civil War–era telegraph set, mounted on a wooden 8˝ x 5˝ base, faintly marked: "Hamilton Electrical Wo

Hard-to-find circa 1860s Tillotson lineman's pocket telegraph set, as used by spies during the Civil War. Measuring just 5˝ x 2.25˝ x

Cold War–era Czech MRP-4 radar locator, codenamed 'Barbara,' designed for the direction finding of mobile radar and radio stations. Th...

Circa 1958 Cold War–era clandestine RT-3 electromechanical burst encoder, developed by Wandel & Goltermann for the German Federal Intellig...

Cold War–era Russian body-worn radio direction finder and intercept receiver known as 'FILIN,' developed around 1970 as a covert means...

Cold War–era R-354 spy radio set, codenamed 'Shmel ,' used by spies and special forces of the USSR for reconnaissance purposes. Th

Cold War–era Soviet R-014D electronic burst encoder, codenamed 'Datchik,' as used in conflict areas to transmit battlefield commands. ...