AN

ELEMENTARY

AND

PRACTICAL TREATISE

ON

BRIDGE BUILDING,

AX

ENLARGED AND IMPROVED EDITION

OF THE AUTHOR'S ORIGINAL WORK,

BY

S. WHIPPLE, C.E.

ALBANY, N. Y.,

INVENTOR OF THE WHIPPLE BRIDGES, SC.

SECOND EDITION, REVISED AND ENLARGED.

NEW YORK:

D. VAN NOSTRAND, PUBLISHER,
23 Murray St., and 27 Warren St.

1873.