Authorized reproduction of the entire catalog supplement which was published by Sears, Roebuck in Chicago and is a complete ordering guide for the Minnesota model A, B, C and D treadle and hand crank operated sewing machines. It gives the details and differences between the models of heads, the styles of cabinets that were available, attachments and has absolutely tons of information. There are about 80 full size pages of information in this item and it includes letters of testimonial regarding Sears dated 1905. Everything that the customer would have wanted to know before ordering these sewing machines is in this catalog supplement. This is absolutely fabulous and full of detailed information. The illustrations are fantastic and there are tons of them. You will want to add this to your collection of sewing machine related information.