Musson's Ready Reckoner Form & Log Book

An antique form and log book published by Musson's in 1916 Canada, the "Ready Reckoner." It contains everything from tables multiplying prices to postage rates to board measures, interest rates and business forms. Someone signed their name on the inside cover but, save for the first few pages, the pages are still firmly attached to the spine. It is 5 1/2" by 3 1/2" by 3/8".