
Figure 23.—Tue Arzona, A GUNBOAT-CLASS FREIGHT LOCOMOTIVE built in 1863 at the Reading Shops. Note 
the feedwater injector fitted to the firebox behind the rear driving wheel and the solid-end connecting 
rods. (Chaney neg. 5382.) 











































Figure 24.—ONne oF SEVERAL Mocut-tyPe Locomotives built in 1865 by Danforth, Cooke & Company for 
the New York and Erie Railway, fitted with a Millholland boiler. (Engineering, May 11, 1866.) 
~~ 
PAPER 69: JAMES MILLHOLLAND AND EARLY RAILROAD ENGINEERING 4 
