To calculate distances, based on speed of sound through air, when observation is both visible and audible. The moment the event takes place, the second hand is started, then stopped when the sound is heard. The corresponding reading on the scale denotes in miles or kilometers (as indicated on the scale itself). The telemetric scale was used by the military as a crude range finder. When the enemy artillery's muzzle flash was seen, the chronometer was started and when the firing was heard, the chronometer was stopped. The second hand pointed to the distance away. source: http://forums.watchuseek.com/showthread.php?p=1552491#post1552491
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A battery-operated wrist watch is a closed system. A wind-up wrist watch is an open system.
A telemeter remotely measures things, such as quantity and/or distance. It can then transmit the data long distances over radio frequencies.
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it is far away measured.
"Meter" is the root, meaning something that measures. "Tele-" is a prefix meaning "distant."
Archibald Barr has written: 'Telemeters and range-finders' -- subject(s): Optical range finders, Telemeter
you simply wind it up and watch the mechanisims work and then watch it do it's job!
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The way to work a stop watch is by pushing the red button to start and then pushing it again to stop and that is how you work a stop watch and also the way to test someone on how fast they do something.
Elliot L. Gruenberg has written: 'Handbook of telemetry and remote control' -- subject(s): Remote control, Telemeter
Any watch with a glow in the dark or a light up feature will work well in the dark.