Echometer - definition of Echometer by The Free Dictionary
References in periodicals archive
Tenders are invited for Supply of Bearing Echometer
With Vibration Transducer Model No M-900 Make: Maynard Or Mcm.
Artie went on to patent an early version of the sonar system of measuring ocean depths, inventing a very early form of sonar called the Echometer
, and worked at the Marconi company until his death in 1949 at the age of 62.
Fluid levels are continually monitored in each wellbore with an Echometer