Pathfinder 360° 2-Inch Rolling Ball by Ambutech, Rolls in Any Direction, Hook Style White Cane Tip for The Blind and Visually Impaired (Patent AP-18/124,738)
from $39.95
HP C7973A LTO3 Ultrium 800G 120 MB/sec Compressed Transfer Rate Ultrium RW Data Cartridge
from $18.77
HistoricalFindings Photo: Samuel Finley Morse,1791-1872,co-Inventor,Morse Code
from $11.00
HistoricalFindings Photo: Samuel Finley Morse,1791-1872,co-Inventor of Morse Code
Samuel Hamilton Walker 1817 ÔøΩ 1847. American army officer and Texas Ranger captain. He was the co-inventor with Samuel Colt of the Walker Colt revolver. After a Daguerreotype by Matthew Brady. Poster Print by Ken Welsh (12 x 15)
from $44.00
The Monetarists: The Making of the Chicago Monetary Tradition, 1927–1960
from $37.49
Historic Framed Print, Co-inventor examines new calculator. Dr. J. Presper Eckert, Jr., co-inventor of the electronic numberical integrator and computer at the University of Pennsylvania here, examines the machine's automatic control panel, 17-7/8" x 21-7/8"
from $298.00
Co-Inventors
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Coinventors
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Historic Framed Print, To celebrate the 25th anniversary of the invention of the transistor, co-inventors William Shockley, John Bardeen, and Walter Brattain being honored during the IEEE INTERCON in New York City., 17-7/8" x 21-7/8"
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