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regulator [03.07.2022 15:37] (current) – created - external edit 127.0.0.1
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 +====== Regulator ======
 +The **regulator** (or **regulator arm**) is part of a wristwatch [[movement]]. It is a pointer that is attached to the [[balance cock]]. By moving the pointer towards "+" or "-" (or "A" or "R") the [[balance spring]] is shortened or extended by a minimum amount. As a result, the [[rate]] of the watch is speeded up or slowed down.
 +
 +===== Regulator Types =====
 +
 +==== Bosley Regulator ====
 +Invented and patented in [[1755]] by Joseph Bosley. From his invention almost every later regulator design that followed is derived.
 +
 +==== Reed's Whiplash Regulator ====
 +{{wst>image_cl|Lange|L931.3|[[A. Lange & Söhne]] calibre [[Lange L931.3|L931.3]] with **Swan's neck fine regulation**|250px}}
 +
 +In [[1867]] the American George P. Reed invented and patented an improvement to the Bosley regulator, US patent No. 61,867, dated February 5, 1867. 
 +
 +Today this adjuster type is mostly called **swan's neck regulator** or **swan neck device**, because of the shape of the curved spring which is vaguely in the shape of a swan's neck.
 +
 +See also 
 +
 +  * [[Movement]]
 +  * [[Regulation]]
 +  * [[Precision adjustment]]
 +  * [[Swan's neck fine regulation]]
 +  * [[Triovis regulator]]
 +
 +Please note that the term [[Regulator watch]] is a different use of the word "regulator".
 +
 +{{tag>Terms}}
  
regulator.txt · Last modified: 03.07.2022 15:37 by 127.0.0.1

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