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The Riefler escapement is a mechanical escapement for precision pendulum clocks invented and patented [1] by German instrument maker Sigmund Riefler in 1889. [2] It was used in the astronomical regulator clocks made by his German firm Clemens Riefler from 1890 to 1965, [ 3 ] which were perhaps the most accurate all-mechanical pendulum clocks made.
Sigmund Riefler was born on 9 August 1847 to Magdalena and Clemens Riefler. He studied mathematics, geodesy and mechanical engineering at the Technical University of Munich, and then physics and astronomy at the University of Munich. From 1870 he worked as an engineer in the Royal Prussian Land Survey, surveying land in Schleswig. [3]
Riefler escapement; V. Verge escapement; Media in category "Escapements" This category contains only the following file. Figure 6.tif 1,220 × 908; 1.68 MB
Jean-Baptiste Dutertre (1715–1742), French watchmaker, duplex escapement. Joseph Möllinger (1715–1772), German clockmaker, Frankenthal, mechanic, piano builder and mint master, clockmaker of the Palatine Zweibrücken court in Zweibrücken. Thomas Mudge (1715–1794), English watchmaker, London. inventor of the free lever escapement.
The fourth Tom Swift series was created as a counterpart to The Nancy Drew Files and The Hardy Boys Casefiles spin-offs, and was published by Archway from 1991 to 1993. The series had two books which crossed over with the Hardy Boys, a sub-series titled Hardy Boys and Tom Swift Ultra Thrillers — Time Bomb (August 1992) and The Alien Factor ...
Some further discussion of Riefler as a horologist would be helpful too. For example, a discussion of Riefler's watch escapement. — Preceding unsigned comment added by 203.216.97.231 ( talk • contribs ) 01:20, 4 May 2007 There is a link to the article on Sigmund Riefler that does provide background.
David McIlwain (21 January 1921 – 30 November 1981) [1] better known by his pen name, Charles Eric Maine, was an English writer best known for several science fiction serials published in the 1950s and 1960s.
Since the original Earthdawn novel series was canceled as the books were being written, the first two were first published as French and German translations in the 1990s. Scars: A Lost Novel of Earthdawn, 2005, ISBN 0-9745734-2-6 Scars: An Earthdawn Novel, 2010, RedBrick; Little Treasures