Subject
4 free books about locomotives, free to read online. Chapter 1 of any book is free, no account needed.
The 'Pioneer': Light Passenger Locomotive of 1851 United States Bulletin 240, Contributions from the Museum of History and Technology, paper 42, 1964
John H. White
Introduction of the Locomotive Safety Truck Contributions from the Museum of History and Technology: Paper 24
Trips in the Life of a Locomotive Engineer
Henry Dawson
Transactions of the American Society of Civil Engineers, Vol. LXX, Dec. 1910 Locomotive Performance On Grades Of Various Lengths, Paper No. 1172
B. S. Randolph