Brown Boveri Motor Slide Rule

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Country of manufacture: Greece (mfg. by Anoxal),            Date of manufacture: ____
Diameter: 10.1 cm,          Thickness: 0.1 cm,           Weight: 20.2 gms
Materials: Painted aluminum disks
Scales: numerous, speciality
Front: For determination of torque rating, and determination of startup or acceleration times for large motors
     Outer Disk:
     Inner Disk:
Back For solution of current required for 3-phase asynchronous motors (function of Horsepower, RPM, and Voltage)
     Outer Disk:
     Inner Disk:
Gauge Marks: [       ]
Condition: C2 (Mint w/no extras)
Came with: nothing

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