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Leon Foucault

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:800.00 - 1,000.00 USD
Leon Foucault

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Auction Date:2018 Jun 13 @ 18:00 (UTC-5 : EST/CDT)
Location:236 Commercial St., Suite 100, Boston, Massachusetts, 02109, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
ALS in French, signed "L. Foucault," one page, 5 x 7.5, July 23, 1850. In part (translated): "It seems to me that the weather is sufficiently firm so that we can fix to Thursday the 25th of July the meeting you made me the honor of asking for you and for the pupils of the Ecole Normale. If you see the sun shining the day after tomorrow around 2 you can come to my home on Rue d’Assas no. 34 with the certitude of confirming the experience that Mr. Pouillet has described so well to you." In fine condition, with a bit of light toning beneath the signature. An interesting letter from the year before he proved the Earth's diurnal motion with his famous pendulum, asking a fellow scientist to confirm experimental observations in good weather conditions.