| Time Period Manufactured | 1971 |
|---|---|
| Country of Origin | United States |
| Modified Item | No |
Check the listing for details. Vintage 1971 PIC Design / Benrus Corp. Gear Computer Reference slide guide. Condition: Used, Made in United States. Listed at 18.00 USD. Gear Computer Reference slide guide is a unique collectible item from the United States. This slide guide, manufactured in 1971, showcases the intricate designs and calculations of gear computers used in engineering and scientific applications.