AN EXPLANATION OF THE ACTION AND

CONSTRUCTION OF PLAIN AND

CUT-OFF SLIDE VALVES.

BY

FREDERIC A. HALSEY,

ENGINEER OF THE RAND DRILL COMPANY;

MEMBER OF THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS; MEMBER OF
THE AMERICAN INSTITUTE OF MINING ENGINEERS; GRADUATE
OF THE SIBLEY COLLEGE, CORNELL UNIVERSITY,

Analysis by the Bilgram Diagram

THIRD EDITION.

NEW YORK:

D. VAN NOSTRAND COMPANY,

23 MURRAY AND 27 WARREN STREETS,

1894.

Philadelphia Book Co.,

19 S. NINTH ST.,

PHILADELPHIA, PENNA.