Tellurometer

Surveying instrument (Model MRB 201.Serial number 325) with headphones, a cable and an aerial ? all contained within a ruck sack.

ID:	NAV1396
Type:	Surveying instrument
Display location:	Not on display
Creator:	Decca
Date made:	Unknown
Credit:	National Maritime Museum, Greenwich, London
Measurements:	Overall: 480 mm x 640 mm x 550 mm
Parts:	Tellurometer Tellurometer (Surveying instrument) (NAV1396.1) Tellurometer (Headset for surveying instrument) (NAV1396.2) Tellurometer (Cable with plug and socket for surveying instrument) (NAV1396.3) Tellurometer (Aerial for surveying instrument) (NAV1396.4) Tellurometer (Ruck sack with frame for surveying instrument) (NAV1396.5) Description of MRB201 Digital Range Integrator for maintenance and installation purposes (Manual) (NAV1396.6)