pocket chronometer — noun : a pocket watch with a chronometer escapement or with an observatory rating … Useful english dictionary
Chronometer — Chro*nom e*ter, n. [Gr. ? time + meter: cf. F. chronom[ e]tre.] 1. An instrument for measuring time; a timekeeper. [1913 Webster] 2. A portable timekeeper, with a heavy compensation balance, and usually beating half seconds; intended to keep time … The Collaborative International Dictionary of English
chronometer — chronometric /kron euh me trik/, chronometrical, adj. chronometrically, adv. /kreuh nom i teuhr/, n. 1. a timepiece or timing device with a special mechanism for ensuring and adjusting its accuracy, for use in determining longitude at sea or for… … Universalium
Pocket — (engl.), die Tasche, daher P. book, das Taschenbuch, P. chronometer, der Taschenchronometer etc … Pierer's Universal-Lexikon
Box chronometer — Chronometer Chro*nom e*ter, n. [Gr. ? time + meter: cf. F. chronom[ e]tre.] 1. An instrument for measuring time; a timekeeper. [1913 Webster] 2. A portable timekeeper, with a heavy compensation balance, and usually beating half seconds; intended… … The Collaborative International Dictionary of English
To rate a chronometer — Chronometer Chro*nom e*ter, n. [Gr. ? time + meter: cf. F. chronom[ e]tre.] 1. An instrument for measuring time; a timekeeper. [1913 Webster] 2. A portable timekeeper, with a heavy compensation balance, and usually beating half seconds; intended… … The Collaborative International Dictionary of English
Marine chronometer — Breguet twin barrel box chronometer. Classification Clock Industry Transportation … Wikipedia
Railroad chronometer — Railroad chronometers (railroader s watches) are specialized timepieces that once were crucial for safe and correct operation of trains in the United States and Canada. A system called Timetable and Train Order, which relied on highly accurate… … Wikipedia
Edward John Dent — Born 19 August 1790 London Died 1853 Nationality United Kingdom … Wikipedia
John Arnold — Infobox Person name = John Arnold image size = 160px caption = birth date = 1736 birth place = Bodmin, Cornwall, England death date = 11 August 1799 death place = Eltham, Kent, England occupation = Watchmaker spouse = parents = children = John… … Wikipedia