»Gnomonica
Fundamentalis et Mechanica«, 1734
Main work by the
German professor "Johann Friedrich Penther",
Augsburg 1734, about construction and use of sundials. 44 pages, register and 15 copper
plates.
Estimate: € 1,500/2,000
US$ 1,950/2,600
Reserve: € 1,200/US$ 1,560
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