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OUT OF STOCK
This is a very cool slide ruler by Sun Hemmi. It was used back in the day by chemical engineers before the first handheld calculator by Texas Instruments came out.
It is in excellent- condition with light wear and works perfectly.
It comes with a nice leather case.
SKU: 251212MK-1
Store: Boulder
Condition: Excellent -
Returns: 30 days money back
Warranty: 90 days
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