K&E National Union Radio Slide Rule

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Country of manufacture: USA,            Date of manufacture: ____
Overall length: 27.1 cm,          Width: 2.9 cm,           Weight: 46.7 gms
Materials: wooden body and slide, scales printed on painted surfaces
Cursor: 2.7 X 3.6 X 0.8 cms; metal framed glass lens; lines = single line, front side only
Scales: 6, specialized
Front: 4 (reactance) [ 3 (frequency), 2 ( inductance) ] 1 (capacitance)
Back: Instructions for Use
Slide Back: [ 5 (resonant freq. < 15 khz), 6 (resonant freq. 15 khz - 20 mhz) ]
Gauge Marks: [      ]
Condition: C1-C2 (Mint but some extras may be missing or not in mint condition
Came with: Original black cardboard box/case stamped, "National Union Radio Slide Rule"

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