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Christian Heinrich Friedrich Peters Autograph Letter Signed

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:200.00 - 400.00 USD
Christian Heinrich Friedrich Peters Autograph Letter Signed

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Auction Date:2023 May 10 @ 18:00 (UTC-5 : EST/CDT)
Location:15th Floor WeWork, Boston, Massachusetts, 02108, 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
German-American astronomer (1813"“1890) at the Litchfield Observatory of Hamilton College, known as a pioneer in the study and visual discovery of asteroids. ALS signed "C. H. F. Peters," one page both sides, 5 x 8, September 21, 1859. Handwritten letter from "Hamilton College," inquiring with concerns about the accuracy of his instruments. In part: "I write in some anxiety about our Clock, which yesterday, without any ostensible reason, stopped at 0'16m 25.5s. I put it into motion again at 4h30m, and it stopped again at 6h32m 25.5s. At 8h I put it into motion again, and watched until eleven. The arc of vibration decreased from 24° to 14.5° (it was usually 20° before), and this morning it was 15°"¦Fortunately the clock has not stopped again, but it has put me into great consternation. Can you possibly give me any elucidation, what might be the reason?"¦I did not make any particular observations upon the arc of vibration for some time past." In very good to fine condition, with a few small stains and small edge separations to folds.