For your consideration is a vintage ASTM Conversion Slide Rule with Vinyl Storage Sleeve 

Item is in good vintage used condition

With signs of being used, such as scuffs, scratches, from age, use, storage and handling.

All numbers and letters are clear to read .

All photos are of item you will be purchasing.

Item selling in “as-is” condition, NO RETURNS. 

Please confirm this is the correct slide rule for your application.

I am not an expert, please review and enlarge all photos before purchase, as they are part of item description, and contact me if you have any questions, need additional information, photos, or to help correct the listing.

Thank you for looking and please browse my other tools, parts and items for sale.