EditorialMantel clock frame, ca. 1870, British, Wrought brass, inset with cabochons and quartz, Overall: 15 1/4 ? 11 3/4 in. (38.7 ? 29.8 cm), By the nineteenth century, advances in manufacturing meant timekeeping was no longer a luxury but something accessible...
EditorialSidereal Clock, made in 1800 Attributed to James Newton, Sidereal time is a timekeeping system that astronomers use to locate celestial objects. Using sidereal time, it is possible to easily point a telescope to the proper coordinates in the night sky....
EditorialDifferent types of timing, Illustration of various mechanisms of 17th century timekeeping, Iconism VII, p. 662, 1664, Athanasius Kircher, Kaspar Schott: P.Gasparis Schotti [...] technica curiosa sive mirabilia artis, libris XII [...]. Pars II. Liber no...
EditorialMantel clock frame, ca. 1870, British, Wrought brass, inset with cabochons and quartz, Overall: 15 1/4 ? 11 3/4 in. (38.7 ? 29.8 cm), By the nineteenth century, advances in manufacturing meant timekeeping was no longer a luxury but something accessible...