Zastone ZT-800R portofoon 400-480 Mhz€ 30,00
Torpedo timer stopwatch 6 sec of 5000yards merk CWC
€ 80,00
Ophalen of Verzenden
332sinds 29 apr. '25, 16:24
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SoortMarine
TypeOverige typen
GebiedOverige gebieden
Beschrijving
Torpedo timer stopwatch 6 sec of 5000yards
merk CWC Swiss Made
Glas zonder krassen
behuizing zeer gaaf
CHRONOSCOPE: Very early ASDICs did not have a range recorder. Instead, the operator would start a 6 second stopwatch. When the initial ASDIC pulse was heard, the watch was started. When the echo was heard, the watch would be stopped. The range of the target would then be read from the red scale. These stopwatches were probably made by several manufacturers and were calibrated for salt water operation. Sound travels approximately 1,650 yds/sec in sea water.
the dial is marked in both yards and seconds, and it measures half the speed of sound in seawater in seconds.
merk CWC Swiss Made
Glas zonder krassen
behuizing zeer gaaf
CHRONOSCOPE: Very early ASDICs did not have a range recorder. Instead, the operator would start a 6 second stopwatch. When the initial ASDIC pulse was heard, the watch was started. When the echo was heard, the watch would be stopped. The range of the target would then be read from the red scale. These stopwatches were probably made by several manufacturers and were calibrated for salt water operation. Sound travels approximately 1,650 yds/sec in sea water.
the dial is marked in both yards and seconds, and it measures half the speed of sound in seawater in seconds.
Advertentienummer: m2262689541
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