A Treatise on the Richards Steam-Engine Indicator and the Development and Application of Force in the Steam-Engine. By Charles T. Porter. Fourth Edition, revised and enlarged, 8vo, cloth, 9s.

Contents.

In demy 4to, handsomely bound in cloth, illustrated with 220 full page plates, Price 15s.

ARCHITECTURAL EXAMPLES
IN BRICK, STONE, WOOD, AND IRON.

A COMPLETE WORK ON THE DETAILS AND ARRANGEMENT OF BUILDING CONSTRUCTION AND DESIGN.

By WILLIAM FULLERTON, Architect.

Containing 220 Plates, with numerous Drawings selected from the Architecture of Former and Present Times.

The Details and Designs are Drawn to Scale, ⅛″, ¼″, ½″, and Full size being chiefly used.