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BELL SYSTEM TECHNICAL JOURNAL 



The chucks on the intermittently rotating disc take them one at a time 

 from the feed tube and carry them under the gaging heads. 



Fig. 6 



In the first position the chuck picks a coil from the feed tube. In 

 positions 2, 4, 6, 8 and 10 the coil is tested respectively for right end up, 

 length of pin X, low limit of resistance, high limit of resistance and 

 length of sleeve Y. At positions 3, 5, 7, 9 and 11 are located electro- 

 magnets, each controlled by the testing device in the position preceding 



