The Alligator was an amphibious machine designed and patented in Canada in the late 1880s. This warping tug was capable of towing a log boom across a lake and then portaging itself to the next body of water. Steam-powered and rugged, it was one of the pioneers in the mechanization of the forest industry and for more than thirty years was ubiquitous in northern Ontario until eclipsed by its worthy successor the Russel tug. «This long-overdue book on the Alligator Warping Tug, designed and built...
