sounding machine

sounding machine

[′sau̇nd·iŋ mə‚shēn]
(engineering)
An instrument for measuring the depth of water, consisting essentially of a reel of wire; to one end of this wire there is attached a weight which carries a device for measuring and recording the depth; a crank or motor reels in the wire.
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References in periodicals archive ?
Contract notice: provision of a sounding machine for the tournemire experimental station
This superb sounding machine from Steepletone, allows you to play your old (and new of course) 33, 45 and 78 rpm records, your favourite CD's or tapes, and tune in to your choice of radio station.
Tenders are invited for Digital Echo Sounding Machine With Gps , Specification For Echo Sounding Machine:- Water Proof Compact Gps Unit Fitted With External Sonar With 10M Lead For Measuring Water Depth At Any Location With Latitude And Longitude Including Sealed Rechargeable Battery 12V 7Ah With Compatible Battery Charger .