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Pictures of 1902 Riefler clock and its parts; Weinheimer, Peter (2000). "Detailed pictures of parts". Wiederentdeckung und Instandsetzung der Präzisionspendeluhr Riefler Nr. 711 (Rediscovery and repair of Riefler No. 711). radiophil.com. Archived from the original on 2023-02-05 "Clemens Riefler regulator, 1929".
The expedition ship RRS Discovery in the Antarctic alongside the Great Ice Barrier, now known as the Ross Ice Shelf. The Discovery Expedition of 1901–1904, known officially as the British National Antarctic Expedition, was the first official British exploration of the Antarctic regions since the voyage of James Clark Ross sixty years earlier (1839–1843).
A torsion pendulum clock, more commonly known as an anniversary clock or 400-day clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum. This is a weighted disk or wheel, often a decorative wheel with three or four chrome balls on ornate spokes, suspended by a thin wire or ribbon called a torsion spring (also ...
Other innovations in timekeeping during this period include the invention of the rack and snail striking mechanism for striking clocks by the English mechanician Edward Barlow, the invention by either Barlow or Daniel Quare, a London clock-maker, in 1676 of the repeating clock that chimes the number of hours or minutes, [140] and the deadbeat ...
The expedition set a Farthest South record at 78°30'S. It also calculated the location of the South Magnetic Pole. [67] [68] The Discovery Expedition was then launched, from 1901 to 1904 and was led by Robert Falcon Scott. It made the first ascent of the Western Mountains in Victoria Land, and discovered the polar plateau. Its southern journey ...
The mechanism which runs a mechanical clock is called the movement. The movements of all mechanical pendulum clocks have these five parts: [27] A power source; either a weight on a cord or chain that turns a pulley or sprocket, or a mainspring. A gear train (wheel train) that steps up the speed of the power so that the pendulum can use it.
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