Side view 



Plan view 



Ballast 



Probe Sealing plug Rope Power supply Control unit 



earring bag W j^^^ spanners I 



^I^A SW 41 Extension 



cable, 30ni 



(a) 



Manufacturer: 



Institute Dr. Forster, 

 West Germany 



: Model: 



Class: 



Size: 



Ferex 4.021 



Magnetometer 



24" long probe 



Power Supply: 



Self contained 



rechargeable 



batteries 



Description: 



Submersible Probe 

 Hand-Held/Boat-Towed 



The pulling rope is taped to the 

 extension cable approx. every 30 cm 



(b) Using the Ferex from a boat. 



Figure 5 

 Forster Ferex 4.021. 



