Microphone for echo sounder

Microphone used for estimating ship's noise. Used in sounding tubes leading to ship's tanks.

Object Details

ID: NAV0678.1
Type: Microphone for echo sounder
Display location: Not on display
Creator: Unknown
Date made: 1926
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 100 mm x 245 mm x 104 mm x 105 mm
Parts: Microphone for echo sounder
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