80 



BULLETIN 119, IT. S. NATIONAL MUSEUM. 



Copy of the Original Drawing of the "DeWitt Clinton," the Third Loco- 

 motive Engine Built for Actual Service on a Railroad in the United 

 States. Made for John B. Jervis for the Hudson and Mohawk, a Rail- 

 road Between Albany and Schenectady, New York, in 1831, by the West 

 Point Foundry Association. 



The " DeWitt Clinton " had two cylinders, 5^ inches in diameter 

 and 16 inches stroke; four wheels, all drivers, 4^ feet in diameter. 



FIG. 36. PHINEAS DAVIS " GRASSHOPPER " LOCOMOTIVE, 1831 



with all the spokes turned and finished. The spokes were wrought 

 iron, hubs cast iron, and the wheels tired with wrought iron, with 

 inside crank and outside connecting rods to connect all four wheels ; 

 a tubular boiler, with drop furnace, two fire doors, one above the 

 other; copper tubes 2^ inches in diameter and about 6 feet long; 

 cylinders on an incline, and the pumps worked vertically by bell 

 crank. This engine weighed about 3J tons without water, and would 

 run 30 miles an hour with three or five cars on a level burning anthra- 

 cite coal. It was the first engine to run in New York State on a 

 railroad. Cat. No. 222,113 U.S.N.M. 



