Tachometer references

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Chiba Precision Co., Ltd.
 
Carter Motor Company
 
Minimotor Sa
 
Electro
Sensors, Inc.
 
Arc Systems Inc.
 
Thermotion LLC
 
ATAS elektromotory Nachod a.s.
 
Dynaspede
 
A. W. Sperry
 
Micro Mo Electronics, Inc.
 
Extech Instruments
 
US Digital
 
Electronic Counters And Control
- - -
 
Servo
Tek Products Company
 
Motor Technology Inc.
 
Dart Controls, Inc.
 
Nb = 16