203 - Technology - Sundials - Schübler, Johann Jacob. A New and Clear Guide to the Practical Art of Sundials, in which it is easily demonstrated how to construct both regular and irregular or non-standard sundials, along with the corresponding charts of the celestial signs and the length of the day, as well as other curious matters.... With an appendix featuring several universal clocks: and instructions on how to paint large sundials in fresco. New edition. With 42 folded copperplate plates. Nuremberg, Weigel, 1778. 7 leaves, 197 pp., 5 leaves, 21 x 12.5 cm. Contemporary leather binding (spine label with a missing section).

Technology - Sundials - Schübler, Johann Jacob. A New and Clear Guide to the Practical Art of Sundials, in which it is easily demonstrated how to construct both regular and irregular or non-standard sundials, along with the corresponding charts of the celestial signs and the length of the day, as well as other curious matters.... With an appendix featuring several universal clocks: and instructions on how to paint large sundials in fresco. New edition. With 42 folded copperplate plates. Nuremberg, Weigel, 1778. 7 leaves, 197 pp., 5 leaves, 21 x 12.5 cm. Contemporary leather binding (spine label with a missing section). Engelmann, Mechan. 350. - Unaltered edition with a new title page from the first edition of 1726. - Missing frontispiece replaced by a facsimile on old paper. - Inside cover with old owner’s inscriptions; white margin in the lower right corner of p. 131 restored; throughout, mostly only faint water stains along the outer paper edge. *