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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.
This list may not reflect recent changes. ... Riefler escapement; V. Verge escapement; Media in category "Escapements" This category contains only the following file.
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]
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The FBI did not immediately respond to a request for comment on the defense experts' findings. The U.S. Attorney's Office that handled the case declined to comment.
The escapement was never mass produced, and no examples are known to exist. It might be relevent to the Sigmund Reifler biographical article but not here, as the watch escapement was necessarily different from his pendulum clock escapement. There is a more important problem with this article. Riefler invented two pendulum clock escapements.