Yokogawa Electric Works Gas Slide Rule

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Country of manufacture: Japan,            Date of manufacture: >=1964
Overall length: 17.9 cm,          Width: 5.0 cm,          Weight: 43.8 gms
Materials: all plastic
Cursor: 3.0 X 5.6 X 0.6 cms; all plastic; lines = one on front and back
Scales:
Front:
Slide Back:
Back:
Gauge Marks: [      ]
Condition: C4-C5 (Minimal to normal signs of use)
Came with: clear plastic bag

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