|Author||Baldwin Locomotive Works.|
|Publisher||Philadelphia : Baldwin Locomotive Works|
OC TJ625 .B14 1907 32 p. : ill. ; 15 cm. Record no. 60. This brochure compares the efficiency of the new locomotive models to the older ones, using statistics on fuel costs, cost of cylinder and engine grease, tractive power, hauling capacity, hours lost in shop repairs. Bound in stiff gray covers decorated in gilt, red, green, and black.