course indicator मीनिंग इन हिंदी

In 1892, Battenberg invented the Battenberg Course Indicator, a relative velocity analogue computer device used by seamen to determine course and speed to steer for changes of position between ships.
In this duty, carried out at New York City; New London, Connecticut; Newport, Rhode Island; and New Haven, she experimented with camouflage defense, tested the Bates Automatic Course Indicator, and experimented with various submarine detection devices, including the Sanborn Speed Indicator.