BELON. Lectures on experimental astronomy, using two machine - Lot 91

BELON. Lectures on experimental astronomy, using two machines of his own invention. Excerpt from the *Journal de Normandie* of January 7, 1785. No place, no date [1785]. 2 pages, in-4 format, printed in two columns, with a modern Bradel-style cardboard binding. Advertisement extolling the merits of Mr. Belon, a painter from Riom, who offers astronomy courses illustrated in particular by a planisphere of his own invention, operated by a crank. Traces of creases.

Estimation:150€

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