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A ballistic chronograph or gun chronograph is a measuring instrument used to measure the velocity of a projectile in flight, typically fired from a gun or other firearm. The instrument is often useful for tasks such as gauging the utility of a firearm or safety of non-lethal projectiles fired from items such as a paintball gun or BB gun .
Since Longines developed its first chronograph movement in 1878, the brand has steadily built strong relationships with various sporting organizations, events and teams worldwide. First came horse racing, then additional equestrian sports such as show jumping , endurance riding and eventing (a "triathlon" of dressage , cross-country, jumping).
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
The Aberdeen chronograph was the first portable gun chronograph, an instrument for measuring the muzzle velocity and striking power of a projectile fired by a gun. It was invented in 1918 by Alfred Lee Loomis at the U.S. Army's Aberdeen Proving Ground .
Universal Genève's 'A. Cairelli Rattrapante', an aviator's chronograph, consists of a 24-hour dial with a 16-minute register. Manufactured in Rome , the wristwatch was produced only sporadically between 1939 and 1945 and was originally meant for the Royal Italian Air Force (Regia Aeronautica Italiana). [ 44 ]
810 Series - Classic Linear Chronograph (2010, Baselworld _models, double curve K1 hardened crystal) 830 Series - Linear Duo Chronograph (2009, three models, tonneau case) TX perpetual calendar watches provide accurate day, month and date until 2100, account for short months and leap years, and require no adjustment on months with less than 31 ...
ETA designs and manufactures mechanical and automatic watches, watch movements and watch ébauches.Although the company produces finished watches and movements, ETA specializes in the production of ébauche movements used both in watches of sister Swatch Group subsidiary brands and in the watches of competitors, including brands owned by Compagnie Financière Richemont S.A. and others.
Gallet (ˈgæl.eɪ) is a historic Swiss manufacturer of high-end timepieces for professional, military, sports, racing, and aviation use. Gallet is the world's oldest clock making house with history dating back to Humbertus Gallet, a clock maker who became a citizen of Geneva in 1466.
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