A Simple Foot-Power Grinder - ChestofBooks.com
The grinder head, used with this foot-power device, consists of a block of wood (see Fig. 28) about 3x3 inches fastened firmly on to the top board by nails or screws, and of sufficient height to bring the grinding spindle to the desired position, a brass bushing which is of about 1/2-inch iron pipe size tightly fitted in a hole in the top of ...