INSTRUMENTATION 



U.S. NAVY HTDROGRAPHIC 



TYPE OF RECORDING. 



METHODS IN DEVELOPMENT 



OPERATING LIMITS 



TYPE OF RECORDING 





1. Navy Hydrographlc Office 



■ participate in any develo 



isuring devices, but utillz 



Information obtained from Coast an 



SUBMARINE AND SURFACI 

 SHIP GRAVIMETERS 



1. LaCoate and 

 Romberg 



2. Askanla (Graf), 

 West Germany 



1. WORDEN GRAVTKETER 



3. LACOSTE AND 



ROMBERG 

 GRAVIMETER 



RANGE LIMIT: 



a) Equator to approxi- 

 mately 45* north and 

 south latitude 



b) About 30' to 90* 

 north and south 

 latitude 



Accuracy: - 0.1 mllligal 



TOTAL RANGE: 

 1,000 mllligals 

 (Can be used vorld-vide 

 by re-setting It.) 



Dial Indicators 



Dial Indicators 



Dial Indicators 



E-8 



