| All returns accepted | ReturnsNotAccepted |
|---|---|
| Country/Region of Manufacture | United States |
Check the listing for details. Powers Psychrometric Slide Rule - Vintage Plastic. Condition: Used. Listed at 24.00 USD. This slide rule measures approx. 7-1/2" long X 1-1/8" wide. The inner piece slides freely in the outer piece. This is all plastic. It is (very) slightly yellowed due to age. There is one ink mark on the back and a couple of very small dark marks on the back. If you purchase multiple items from me, I will be happy to combine shipments to save you money on shipping costs. Please request an invoice prior to paying.
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