Figure Captions continued 
Fig. 19 Velocimeter circuit which operated in oil bath at 10,000 psig 
Fig. 20 Encapsulated amplifier 
Fig. 21 Floating test block with a total weight of 25 grams and with a "payload" (resistors) 
of 5 grams 
Fig. 22 Encapsulated velocimeter circuit 
125 
