. 20th century catalogue of supplies for watchmakers, jewelers and kindred trades. IS a countersink. A single depression is a recess. Cremallere—See Rack. Chronometer—Any time piece. See Escapement. Clutch—Any devise to engage and disengage moving parts as those inline of shafting, etc. _ In horology that part that connects and disconnects?inding mechanism. (Do not confound a clutch ith intermediate w Crank, Impulse-mown in horology,lower from the leverailed a table, becaus/ithstanding that they an T?— 1- 1- T cause of the niche irSwiss and „^?sA T shapes, as in certain EiAmerican P^^ Cra-k. „
. 20th century catalogue of supplies for watchmakers, jewelers and kindred trades. IS a countersink. A single depression is a recess. Cremallere—See Rack. Chronometer—Any time piece. See Escapement. Clutch—Any devise to engage and disengage moving parts as those inline of shafting, etc. _ In horology that part that connects and disconnects?inding mechanism. (Do not confound a clutch ith intermediate w Crank, Impulse-mown in horology,lower from the leverailed a table, becaus/ithstanding that they an T?— 1- 1- T cause of the niche irSwiss and „^?sA T shapes, as in certain EiAmerican P^^ Cra-k. „„( discs. A, it in no .„..., .. „ ..„, . Impulse ^r as often called. Regardless of its shape, it always per-Crank. forms the office of a crank. The fact that it is usually round forthe purpose of providing against overbanking, and possiblyantage in poising, it in no way affects its action as a crank. To de-?elyi_an impulse crank or balance Mode he part receivirlas, in horology,of Its flat surface: not always flat,the edge and v;lish watches, the. nguage all it: nk, and lor closer de nptic r control. In horology the regulating dentrols the balance spring. —I I Cylinder-Cylinder in horo U, cylindrical balance arbor, as sho• p^^ tion, for the double purpose of ba a hollowillustra-f balance arbor s:scapement. Damaskeening—Deinlaying or etching deRings and bars cut oh plal Demagnetizing—The act of destroying magnetic polarity Detent spaces of a ratch The tha nterdental «»•• ters the ;el or rack, yielding t( th while the ratchet wheel moves ^, ny backward motion. The com- n word click has been abandoned because it is merely to a mechanical the wheel or rack al motion almost tingi ; for sound, £ When such a piit is called a pawl or pallet; :unknown in horologv- Dials -The graduatedwatch. A plain dial is of pi;or ornamentation. A dial wiIS a plain seconds dial. A d numbered face of thesurface without secondsilain surface and secondsdial de-
Size: 1089px × 2294px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookid20thcenturyc, bookyear1899
