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The term chronograph comes from the Greek χρονογράφος (khronográphos 'time recording'), from χρόνος (khrónos 'time') and γράφω (gráphō 'to write'). '). Early versions of the chronograph are the only ones that actually used any "writing": marking the dial with a small pen attached to the index so that the length of the pen mark would indicate how much time had
George Graham. George Graham, FRS (7 July 1673, maybe 1675 [1] – 16 November 1751) was an English clockmaker, inventor, and geophysicist, and a Fellow of the Royal Society. He was born in Kirklinton, Cumberland. [2]
The chronograph is powered by a Valjoux 72 calibre, adjusted to 3 positions. This was a surprisingly rare feature in 1954, as most manufacturers would then encase unadjusted Valjoux 72 movements. Something which showed they really cared.
Louis Moinet (1768–1853), inventor of the chronograph, was born into a prosperous family of farmers in Bourges, France, was a French horologist, sculptor and painter. [ 1 ] History
1939 advertisement from Jewelers' Circular Keystone magazine of the Gallet MultiChron 30 "Clamshell", the world's first water resistant chronograph wristwatch Reverse view of the Gallet Clamshell showing the 4 screws that compress the 2 part case around the flared acrylic crystal Open view of the Gallet Clamshell showing top part of the two part case and complex Swiss column wheel movement ...
Chronographia (Greek: Χρονογραφία), meaning "description of time", and its English equivalents, Chronograph and Chronography, may refer to: Chronographiae of Sextus Julius Africanus , covering events from Creation to 221
Chronograph, with a second hand that can be stopped and started to function as a stopwatch. Double chronograph or rattrapante, multiple second hands for split-second, lap timing or timing multiple events; Flyback chronograph, allowing rapid reset of the chronograph as it is running; Counter chronograph; Independent second-hand chronograph
Elias Allen (1588–1653). Jan Táborský z Klokotské Hory (1500–1572), Czech astronomer and mechanic, Prague, Prague astronomical clock.; Juanelo Turriano (c. 1500–1585), Spanish clockmaker of the court, Toledo, astronomical clock, restoring the astrarium of Giovanni Dondi.
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3180 Kingsdale Center, Columbus, OH · Directions · (614) 459-6494