Here for you today is a cool vintage book by the Chemical Rubber Company. Standard Mathematical Tables. Book is in decent used condition. It does have some wear.  From sometime in the 1960's. Not sure the date.  12th edition. See photos and ask any questions. I do my best to describe all items. Sometimes I miss things.. Please Please ask questions. Thanks for bidding and good luck. Check out all my items for some great finds. Lots of cool stuff at my sales. I can combine shipping on most.