Luther Grinder Mfg Co.
Made by Luther Grinder Mfg Co., Milwaukee, the Hummer No. 271, Model G. Early 20th c. The grinder works very well and pedals extremely easily. The seat bracket has both vertical and horizontal adjustment to accomodate a great variation in human leg length. There is a large weld at the point of attachment of the right crank and only one tool rest is present.


Source: of all information, American Artifacts