CHARLES BABBAGE - AUTOGRAPH LETTER SIGNED 6/11 - HFSID 41112. 1 Dorset St (Manchester, England), June 11.
It will give me great pleasure to see Miss Manwaring at my party to night. For his ideas about building an "analytical engine", the predecessor of the digital computer. He proposed operations research that involved the idea of using machines to perform routine mathematical operations, eliminating errors in human calculation.
Although he never built his computer, his ideas influenced those who later carried out his ideas. Lightly creased, soiled and stained.
Top right corner of frame is splintered. Framed in Gallery of History style: 28x18. See more material from these signers.See more listings in our SCIENCE & MEDICINE (1,214). Please note that this is an authentically signed item.
We do not sell autograph copies or signature reprints. Images shown may contain our company watermark.
The actual document does not contain this watermark. This item has been authenticated and is accompanied by a Certificate of Authenticity issued by our parent company, Gallery of History, Inc. We financially stand behind our COA. Ask us about our PSA/DNA and JSA authentication guarantee.
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Gallery of History is the world's largest dealer of authentic autographs and manuscripts. Our inventory contains documents in all areas of interest including presidents, royalty, military, aviation, religion, business, science, celebrities, sports, music, authors and more. Whether looking to add to your collection, acquire a unique centerpiece for the home or office, or as a truly one-of-a-kind gift for someone special, you'll find it here at HistoryForSale. Founded in 1981, is a long-standing UACC Registered Dealer, #RD110, and is a long-standing member of the Manuscript Society.The Gallery of History is the largest dealer in the world with an available inventory that exceeds 230,000 rare autographs and manuscripts. Preserving historical documents is important to us. Our unframed items are sent to you either in acid-free archival sleeves or have been encapsulated when noted. The majority of our in-house framed items are encapsulated in acid free sleeves to guard against organic acids, mounted in an acid-free enviroment and are framed behind glass or UF3-AR Plexiglas which blocks out most ultraviolet light. We warrant to the original purchaser for a period of ten (10) years from the date of the sale the authenticity of any autograph offered by HistoryForSale. Gallery of History is not liable for any other damages, including consequential damages. There are no other warranties of any nature either expressed or implied, including but not limited to the warranties of merchantability and fitness for a particular purpose. This item is in the category "Collectibles\Autographs\Historical". The seller is "historydirect" and is located in this country: US. This item can be shipped worldwide.