1757, Johann Georg Keyssler, Travels through Germany, Bohemia, Hungary, Switzerland, Italy and Lorrain; Volume IV, second edition, Letter XCII, page 178:The principal clocks in this city Å¿trike the hours from one to twelve progreÅ¿Å¿ively from the riÅ¿ing of the Å¿un, and begin again after Å¿unâ€Å¿et, which at firÅ¿t puzzles Å¿trangers; but by the table of the æquation of time, publiÅ¿hed here, this may be reduced to the common method of calculating time.----
