mainspring
31watch — /woch/, v.i. 1. to be alertly on the lookout, look attentively, or observe, as to see what comes, is done, or happens: to watch while an experiment is performed. 2. to look or wait attentively and expectantly (usually fol. by for): to watch for a …
32Wheel train (horology) — In horology, a wheel train (or just train) is the gear train of a mechanical watch or clock.[1] Although the term is used for other types of gear trains, the long history of mechanical timepieces has created a traditional terminology for their… …
33Miquelet Lock — A: Cock or hammer. B: Combination frizzen (steel) and powder pan cover. C: Bridle covering frizzen spring. D: Mainspring. E: Bridle supporting the cock. F: Heel of the cock. G: Poinçon or puzón. H: Full cock or primary sear. I: Half cock or… …
34Power reserve — Indicator originally called fr. Réserve de Marche is a complication of the watch, which is designed to show the amount of remaining autonomy. In its essence, the power reserve indicator shows the tension on the mainspring at any particular moment …
35Ruger MK II — Infobox Weapon name=Ruger MK II origin=United States of America type=Semi automatic pistol is ranged=yes service= used by= wars= designer= design date= manufacturer= Sturm, Ruger Co. production date= 1982 2005 number= variants= weight= 46 oz. (w/ …
36Watch — For other uses, see Watch (disambiguation). Early wrist watch by Waltham, worn by soldiers in World War I (Deutsches Uhrenmuseum, Inv. 47 3352) A watch is a small timepiece, typically worn either on the wrist or attached on a chain and carried in …
37Pocket watch — This article is about the portable timepiece. For the Dave Grohl album, see Pocketwatch (album). A gold pocket watch with hunter case and watch chain …
38Unusual types of gramophone records — The overwhelming majority of records manufactured have been of certain sizes (7, 10, or 12 inches), playback speeds (33⅓, 45, or 78 RPM), and appearance (round black discs). However, since the commercial adoption of the gramophone record, a… …
39Anchor escapement — Anchor escapement. The anchor and escape wheel of a late 19th century clock …
40Miquelet — (miguelet) is a modern convention, largely used by and for the benefit of the English speaking world, widely applied to a distinctive form of flint against steel ignition mechanism (lock) prevalent in the Mediterranean lands in the late 16th to… …
