Johann Friedrich Penther (1693-1749)
Gnomonica fundamentalis & mechanica: in which it is shown how to make all kinds of sundials both thoroughly and mechanically … should be made
15 fold-out pages
Published by Jeremias Wolff
Printed by Christoph Peter Detleffsen
Augsburg 1752
Leather binding 34.5 x 23 cm
Some pages of folding pages missing, very good condition due to age, somewhat stained and rubbed