Tellurometer

Headset with one earpiece, a microphone and a cable for the surveying instrument.

ID:	NAV1394.2
Type:	Headset for surveying instrument
Display location:	Not on display
Creator:	Decca
Date made:	Unknown
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 95 mm x 230 mm x 225 mm
Parts:	Tellurometer (Surveying instrument) Tellurometer (Surveying instrument) (NAV1394.1) Tellurometer (Headset for surveying instrument) (NAV1394.2) Tellurometer (Viewfinder for surveying instrument) (NAV1394.3) Tellurometer (Cable for surveying instrument) (NAV1394.4) Tellurometer (Metal box for surveying instrument) (NAV1394.5) Tellurometer (Ruck sack with frame for surveying instrument) (NAV1394.6)