tired they intend to make two trips daily. It takes 22,000 feet ma- man. timber wheels. ple to lay a mile of track, and from $80 to $100 States cur- Patented through the Scientific American Patent Agency, To the rear of the wheels is a strong framework of wood June 15, 1869, by Robert B. Tunstall,… … is soft, pieces of broad thick rails were quite wet, and in plank may be placed under ROBERTSON'S STUMP PULLER. going up the steepest grades the wheels and props. The sand had to be used; the cars levers are then put into their sockets at the nut, and the screw were loaded with from 15 to 18 tuns…
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