YOU can raise a laugh or pierceing cry of horror at pleasure. Sample by mail, only 10 cts., 6 for 25 cts., 15 for 50cts. Valuable catalogue of agent's goods free.

WORLD MANUFACTURING CO., 122 Nassau Street, New York.


STEAM BOILERS;

THEIR DESIGN, CONSTRUCTION, AND MANAGEMENT.
BY
WILLIAM M. SHOCK,

Chief of Bureau of Steam Engineering, United States Navy.

In one large quarto volume of 480 pages, and illustrated with 150 wood-cuts and 36 full-page plates (20 of which are double). Bound in half crimson Morocco, gilt tops.

Price $15

D. VAN NOSTRAND. Publisher, 23 Murray and 27 Warren Sts., New York.

*** Copies sent by mail, postpaid, on receipt of price.