KOENIG (Karl Rudolf, known as Rudolph Koenig) - Lot 125

Lot 125
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80 - 100 EUR
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KOENIG (Karl Rudolf, known as Rudolph Koenig) - Lot 125
KOENIG (Karl Rudolf, known as Rudolph Koenig) (1832-1901) French physicist of German origin. Renowned manufacturer of acoustic instruments. Autograph letter signed Paris, February 4, 1901. 1/2 page folio. Addressed to Professor Henry Crew. Beautiful embossed letterhead with his name, title and address. Signed "Rudolph Koenig". Scientific and technical letter Koenig informs his correspondent of the shipment of acoustic instruments ordered, while apologizing for the delay: "...the aftermath of a serious operation, and a very painful illness absolutely did not allow me to finish them already earlier..." Interesting document combining : scientific production high-precision craftsmanship personal dimension (illness)
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