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Heinrich Hertz

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:200.00 - 300.00 USD
Heinrich Hertz

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Auction Date:2010 Jun 16 @ 10:00 (UTC-05:00 : EST/CDT)
Location:5 Rt 101A Suite 5, Amherst, New Hampshire, 03031, 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
Bid online at www.rrauction.com. Auction closes June 16.

German physicist who was the first to satisfactorily demonstrate the existence of electromagnetic waves by building an apparatus to produce and detect VHF or UHF radio waves. ALS signed “H. Hertz,” one page, 5.25 x 8.25, October 27, 1891. Letter to astronomer Henry Crew. In part: “By the same post I send you a set of the required papers. You will only find the first paper wanting…I give you my best thanks for the publication of the Observatory which you sent me.” In fine condition. Accompanied by the original mailing envelope.