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SYNTHEMATOGRAPHIK - BERGSTRÄSSER, JOH. ANDR. BENIGN.
Ueber sein am ein und zwanzigsten Decembr. 1784. angekündigtes Problem einer Korrespondentz in ab=und unabsehbaren Weiten der Kriegsvorfälle oder über Synthematographik mit Kupfern in Schreiben an ...den Prinzen Ferdinand Herzogen zu Braunschweig und ...
Hanau, (no printer), 1785-86. Bound in one fine cont. hcalf, raised bands and richly gilt back. A stamp on first titlepage and an old owner name. (1),134(1),118"(4),144 pp. and 10 folded engraved plates. On good paper, clean and fine.
Reference : 32295
First edition. Bergsträsser invented this form of signalling, which he called ""Synthematographik"", an optic telegraphy based on a binary code. The system is well illustrated in the 10 plates. - Rosenthal p. 372. - Poggendorff I: p. 152.
€382.25
(€382.25
)
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Herman H. J. Lynge & Son
William Schneider
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