Microphone for echo sounder

Very early test microphone used over ships side to hear the transmissions.
Microphone used for estimating a ship's noises. Used in sounding tubes leading to a ship's tanks.The microphone and echo sounder are marked NAV0678.1-2. They can be found via the Whole/Part toggle.

Object Details

ID: NAV0678
Type: Microphone for echo sounder
Display location: Not on display
Creator: Henry Hughes & Son Limited
Date made: 1926
Credit: National Maritime Museum, Greenwich, London
Measurements: : 143 x 112 mm
Parts: Microphone for echo sounder
Close

Your Request

If an item is shown as “offsite”, please allow eight days for your order to be processed. For further information, please contact Archive staff:

Email:
Tel: (during Library opening hours)

Click “Continue” below to continue processing your order with the Library team.

Continue