ENGINEERING ECONOMICS

ENGINEERING

ECONOMICS

FIRST PRINCIPLES

BY

JOHN CHARLES LOUNSBURY FISH

MEMBER AMERICAN SOCIETY OF CIVIL ENGINEERS; MEMBER AMERICAN RAILWAY ENGINEER-
ING ASSOCIATION; SOMETIME DIVISION ENGINEER LAKE SHORE AND MICHIGAN SOUTHERN
RAILWAY (NEW YORK CENTRAL LINE WEST); PROFESSOR OF RAILROAD ENGINEERING
STANFORD UNIVERSITY; Author of "EARTHWORK HAUL AND OVERHAUL," ETC.

UNIV OF

SECOND EDITION

TWELFTH IMPRESSION

MCGRAW-HILL BOOK COMPANY, INC.

NEW YORK AND LONDON

1923