echometer meaning in Hindi

Not content simply to " manage ", Moore's innovative and inventive spirit led him to patent a very early form of Sonar ( called the " Echometer " ) in 1932, and, as is quoted in the following excerpt from his obituary written by Councillor Richard Vines, Headmaster of Pontllanfraith Technical School : " his inventive mind gave to science many devices by which he will be remembered as one who succeeded through industry . " He also devised other measuring devices : " His Alvis car was fitted with an apparatus which would record on a dial the efficiency of petrol at varying speeds with various loads through all gears"