Tellurometer

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

ID:	NAV1393.2
Type:	Headset for surveying instrument
Display location:	Not on display
Creator:	Decca
Date made:	Unknown
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 60 mm x 190 mm x 200 mm
Parts:	Tellurometer (Surveying instrument) Tellurometer (Surveying instrument) (NAV1393.1) Tellurometer (Headset for surveying instrument) (NAV1393.2) Tellurometer (Viewing hood for surveying instrument) (NAV1393.3) Tellurometer (Cable for surveying instrument) (NAV1393.4) Tellurometer (Metal box for surveying instrument) (NAV1393.5) Tellurometer (Ruck sack with frame for surveying instrument) (NAV1393.6)