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BELL SYSTEM TECHNICAL JOURNAL 



sliding on the surface of the insulated block B and making contact 

 with the flush metal insert C. 



Fig. 14 



Considerable experience has been gained in the design and use of 

 the reed type gages and they are proving very satisfactory for a wide 

 variety of uses. They are relatively inexpensive to build, require but 



D^k 



Fig. 15 



little maintenance, the pressure on the gaging point may be kept low if 

 desired and they are reliable in action. 



