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THE NOTED INVENTOR, CHARLES WHEATSTONE ACCEPTS A DINNER INVITATION
WHEATSTONE, CHARLES. (1802-1875). Scientist and inventor; major figure in the development of electric telegraphy; In 1843, popularized the Wheatstone bridge, [invented by British mathematician Samuel Christie] a device that accurately measured electrical resistance; patented an early telegraph. Autograph Letter Signed, in the third person: “Sir Charles Wheatstone”, on his ‘19 Park Crescent, Parkland Place, NW’ embossed stationary. One page, octavo. [London], May 19, 1868. Very fine condition.
$375.00
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BENJAMIN FRANKLIN — AS PRESIDENT OF THE AMERICAN PHILOSOPHICAL SOCIETY OVERSEES THE INDUCTION OF EDWARD PENNINGTON, A LEADING PHILADELPHIA QUAKER MERCHANT, WHO WILL FIND HIMSELF HELD PRISONER DURING THE AMERICAN REVOLUTION FOR HIS REFUSAL TO SUPPORT THE WAR AGAINST BRITAIN
FRANKLIN, BENJAMIN. (1706-1790) Founding Father of the United States, author and printer, satirist, political theorist, politician, scientist, inventor, statesman, and diplomat. Scarce Partially-Printed Document Signed, “B. Franklin,” as President of The American Philosophical Society. One page, large oblong folio. Philadelphia. January 20, 1780.
$37,500.00
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BABBAGE — THE FATHER OF THE COMPUTER — COMPLAINS OF NOISE POLLUTION IN THE STREETS OF LONDON WHICH ROB HIM OF HIS TIME AND INTERUPT HIS WORK
BABBAGE, CHARLES. (1792-1871). British mathematician and inventor of the first computer. Scarce Autograph Letter Signed, “C. Babbage”. Two full pages, octavo. “1 Dorset Pl., Manchester Sq. W.”, March 26, 1868.
$6500.00
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