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| Keywords: Longcase clock movement.png Drawing of cross section of English longcase grandfather clock movement from the mid-1800s It is described as The going part of a common regulator or house-clock of superior character The movement is that found in long-cased hall clocks This is a weight driven pendulum clock with a one second 1 meter pendulum anchor or deadbeat escapement second hand and no striking mechanism Drawing also appears in http //books google com/books id UnsDAAAAYAAJ pg PA63 Paul Nooncree Hasluck 1889 The Clock Jobber's Handybook Crosby Lockwood Son London p 63 fig 14 with more information in text Alterations removed figure number Labeled parts are identified in the text as <br> A escapement pallet<br> a escapement arbor<br> C center wheel<br> c center wheel pinion<br> D second wheel<br> d second wheel pinion<br> E scape wheel<br> e scape wheel pinion<br> F crutch<br> f fork<br> G great wheel<br> H hour wheel<br> K square winding arbor<br> L bridge<br> M minute wheel<br> N n Motion works together with M and H <br> P pendulum<br> Q pendulum support<br> R r maintaining power ratchets<br> S pendulum suspension spring<br> X lower pillar<br> Y snail only used in striking clocks <br> Z top pillar Downloaded 2007-12-1 from http //books google com/books id OvQ3AAAAMAAJ pg PA129 Edmund Beckett Grimsthorpe 1874 A Rudimentary Treatise on Clocks Watches and Bells Lockwood Co London UK p 129 fig 25 on Google Books 1874 Edmund Beckett Lord Grimsthorpe Public domain - Beckett died 1905 PD-old Clockworks Pendulum clocks Longcase clocks from United Kingdom 19th-century longcase clocks Old horology prints Edmund Beckett Denison | ||||
