Slyd-Rul Co. Elemental Slyd-Rul

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Country of manufacture: USA,            Date of manufacture: >= 1953
Overall length: 18.8 cm,          Width: 5.7 cm.,           Weight: 16.5 gms.
Materials: cardboard shell with cardboard slide
Cursor: no cursor
Scales: __
Front:
Back:
Condition: C5 (Signs of Normal use)
Came with: nothing

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