chronometer
81Edward John Dent — Born 19 August 1790 London Died 1853 Nationality United Kingdom …
82Liste bedeutender Uhrmacher (chronologisch) — In der chronologischen Liste bedeutender Uhrmacher werden Personen aufgeführt, die in technisch herausragender Weise die Entwicklung der Uhr beeinflusst haben oder durch ihr Schaffen als Uhrmacher eine bedeutende Stellung einnehmen. Die… …
83Thomas Earnshaw — (1749–1829) Thomas Earnshaw (* 4. Februar 1749 in Ashton under Lyne; † 1. März 1829 in London) war ein englischer Uhrmacher, der als erster den Bau von Marinechronometern vereinfachte, damit sich eine breitere Öffentlichkeit solche Instrumente… …
84ETA SA — Infobox Company company name = ETA SA company type = Member of the Swatch Group company company slogan = Elegance, Technology, Accuracy foundation = 1856 (1793, 1896) location city = Grenchen location country = Switzerland key people = industry …
85History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …
86Portal:Time — 08:58, November 24, 2011 (UTC) (update) WELCOME TO THE TIME PORTAL Time …
87Celestial navigation — Celestial navigation, also known as astronavigation, is a position fixing technique that was devised to help sailors cross the featureless oceans without having to rely on dead reckoning to enable them to strike land. Celestial navigation uses… …
88Mayhew Folger — Painting of Mayhew Folger. Original in the collection of the Massillon Museum, Massillon, Ohio. Mayhew Folger (March 9, 1774 – September 1, 1828) was an American whaler who captained the sealing ship Topaz that rediscovered the Pitcairn Islands… …
89History of longitude — The history of longitude is a record of the effort, by navigators and scientists over several centuries, to discover a means of determining longitude. The measurement of longitude is important to both cartography and navigation. Historically, the …
90Clock — For other uses, see Clock (disambiguation). Timepiece redirects here. For the Kenny Rogers album, see Timepiece (album). Platform clock at King s Cross railway station, London …
