Perrygraf Mallory Slide Rule for Capacitor Functions

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Country of manufacture: USA,            Date of manufacture: ____
Diameter: 20.5 cm,      Weight: 35.9 gms
Materials: Cardboard disks, plastic cursor
Cursor: one on front with single line
Front: [ Effective Series Capacitance ] Frequency (CPS) [ X_C ] Phase Angle for Impedance [ Equivalent Series Resistannce (Ohms) ] Power Factor, Phase Angle, Percent Dissipation Factor
Back: Blank
Condition: C4 (Minimal signs of use)
Came with: Nothing

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