| All returns accepted | ReturnsNotAccepted |
|---|---|
| Country/Region of Manufacture | United States |
Check the listing for details. Lawrence 10 inch Slide Rule. Condition: Used. Listed at 16.95 USD. Wood Slide Ruler. 10-B. Made by Engineering Instruments, Inc. Vintage. This instrument is an indispensible aid in solving problems in multiplication, division, circumferences, and areas of circles, squares, square roots, cubes, cube roots, proportion, etc. Made in the U.S.A
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