1436
HARTMANN, Johann Georg
"Nöthiger Unterricht von Verbesserung Aller Uhren, durch die Höhe des Aufzuges, waagerechten Stand, und Berechnung"
Published by Waysenhaus. Halle. 1756. 17.5 x 11 cm.
Title page, 12, 210 with numerous tables and examples of calculations, (22) pages and 15 folding plates (numbers 1-16, no. 2 missing), "... Improvement of the Sack Clocks ..., together with a preface ... Georg Ehrhard Hambergers (Zweyte und verbesserte Auflage), (26), 90, (6) pages, without folding plates. Half leather binding of the time. Book contains wall, seconds, month, year, table, hour and sack clocks. Enclosed some younger sheets "Zeitgleichungs-Tabellen". Stronger traces of use due to age.
Aufrufzeit 26. | Feb. 2026 | probably 13:43 (CET)