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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]
Animation of an anchor escapement, one of the most common escapements used in pendulum clocks . The escapement is a mechanical linkage that converts the force from the clock's wheel train into impulses that keep the pendulum swinging back and forth. It is the part that makes the "ticking" sound in a working pendulum clock.
A style guide, or style manual, is a set of standards for the writing and design of documents, either for general use or for a specific publication, organization or field. The implementation of a style guide provides uniformity in style and formatting within a document and across multiple documents.
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An English writing style is a combination of features in an English language composition that has become characteristic of a particular writer, a genre, a particular organization, or a profession more broadly (e.g., legal writing).
The Elements of Style (also called Strunk & White) is a style guide for formal grammar used in American English writing. The first publishing was written by William Strunk Jr. in 1918, and published by Harcourt in 1920, comprising eight "elementary rules of usage," ten "elementary principles of composition," "a few matters of form," a list of 49 "words and expressions commonly misused," and a ...