BULLOCK.—The Rudiments of Architecture and Building:

For the use of Architects, Builders, Draughtsmen, Machinists, Engineers, and Mechanics. Edited by John Bullock, author of "The American Cottage Builder." Illustrated by 250 engravings.
In one volume, 8vo. $3.50

BURGH.—Practical Illustrations of Land and Marine Engines:

Showing in detail the Modern Improvements of High and Low Pressure, Surface Condensation, and Super-heating, together with Land and Marine Boilers. By N. P. Burgh, Engineer. Illustrated by 20 plates, double elephant folio, with text. $21.00

BURGH.—Practical Rules for the Proportions of Modern Engines and Boilers for Land and Marine Purposes.

By N. P. Burgh, Engineer. 12mo. $1.50

BURGH.—The Slide-Valve Practically Considered.

By N. P. Burgh, Engineer. Completely illustrated. 12mo. $2.00

BYLES.—Sophisms of Free Trade and Popular Political Economy Examined.

By a Barrister (Sir John Barnard Byles, Judge of Common Pleas). First American from the Ninth English Edition, as published by the Manchester Reciprocity Association.
In one volume, 12mo. Paper, 75 cts.
Cloth. $1.25