Swiss pocket watch chronograph TRUSTY,begin ХХ ages Start Price USD 499.99 Current Price USD 499.99 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Thursday, November 27, 2008 End Time Sunday, December 07, 2008 Location Kharkov See more about 'Swiss pocket watch chronograph TRUSTY,begin ХХ ages' Description Rare Swiss chronograph for measurement of the distance before object on velocities of the sound, begin XX age. Chronograph was released known Swiss watch company and is intended for measurement of the distance before subject(the object).  The red scale is founded on that that velocity of the sound midair is aproximately 340 м/с. Distance is marked On red scale in metre(before 25000 m). Blackenning scale shows the seconds, but counting out begins from numeral "VI". The Second hand is located on the whole diameter of Chronograph. When lower end of the arrow when start Chronograph counts out the seconds(for instance, from moment of some flash before moment of the sound from this flashes), that inverse end of the arrow will point to distance before this subject (on red scale). There is sectoral drive for 10 minutes. It Is Used such Chronograph both in peace, and in wartime(for instance, range sensing before lightning or before blast). The Dial enamel, good-conditioned. In region of the numeral "II" small "web".  For translation of the arrows there is button on case in region of the numeral "1", head for plant hours and button for start Chronograph are located on numeral "XII". The case is made from nickel.The size of watch in the case without the head - 51,2 mm. Watch per an excellent condition, a good course.  All photos correspond to the original.  I wish you successful transactions! Place a Bid!