Entered according to Act of Congress, in the year 1857, by
JAMES MUNROE AND COMPANY,
In the Clerk’s Office of the District Court of the District of Massachusetts.
CAMBRIDGE:
ALLEN AND FARNHAM, PRINTERS.
PREFACE.
The object of this work is to give in the plainest possible manner all instructions, rules, and tables necessary for the location, construction, equipment, and management of railroads.
As a general thing, American engineers are not educated for their business; and when they do possess a knowledge of pure science, they are at a loss how to apply it.
The reader is presumed acquainted with the elements of arithmetic, geometry, algebra, and mechanics: being thus provided, he will, by a perusal of what follows, be enabled to correctly proportion bridges, of wood, stone, and iron: abutments, piers, retaining walls, superstructure, and locomotive engines; and to plan and lay out, execute, and estimate any description of work occurring upon railroads.