By JAP lisk, m.e, WITH SIX LARGE SCALE DRAWINGS.

A practical hand-book for Firemen Helpers and Young Engineers, giving a set of detail drawings all numbered and lettered and with names and particulars of all parts of an up-to-date American High Speed Steam Engine. Also a large drawing and full description of the Automatic Shaft Governor. With notes and practical hints.

This work will prove of great help to all young men who wish to obtain their Engineer's License because it is

Easy to Understand, Easy to Remember, and gives the Latest American Practice.

I. Longitudinal Section Through Cylinder, and Top View of High Speed Hon-* zontal Steam Engine.

II. Side Elevation of High Speed Horizontal Steam Engine.

III. Detail Drawing of Connecting Rod and Piston of High Speed Horizontal Steam Engine.

IV. Detail of Piston Valve; Eccentric Strap and Rod; Valve Stem Guide; and Eccentric of High Speed Horizontal Steam Engine.

V. Detail of Crosshead; Crosshead Slipper; Wrist Pin; Crank Pin; Stuffing Box, etc., of High Speed Horizontal Steam Engine,

VI. Detail of Centrifugal Automatic Governor for High Speed Horizontal Steam Engine.

Copies mailed, post-paid, to any address on receipt of Fifty Cents.

Diagram of the Corliss Engine.

A large engraving giving a Longitudinal Section of the Corliss Engine Cylinder, showing relative positions of the Piston, Steam Valves, Exhaust Valves and Wrist Plates when cut-off takes place at J stroke for each 15 degrees of the circle. With full particulars. Reach-rods and Rock.shafts. The Circle explained. Wrist-plates and Eccentrics. Explanation of Figures, etc., etc. Printed on heavy ledger paper, size 13 in. x 19 in. Price. 25 Cents each.

Special Price on a Quantity.

SPON & CHAMBERLAIN, 123 Liberty Street, NEW YORK CITY, U.S.A.