By WM. DONALDSON

A MODERN treatise on Hot Water, Steam and Furnace Heating, and Steam and Gas Fitting, which is intended for the use and information of the owners of buildings and the mechanics who install the heating plants in them. It gives full and concise information with regard to Steam Boilers and Water Heaters and Furnaces, Pipe Systems for Steam and Hot Water Plants, Radiation, Radiator Valves and connections, Systems of Radiation, Heating Surfaces, Pipe and Pipe Fittings, Damper Regulators, Fitters' Tools, Heating Surface of Pipes, Installing a Heating Plant and Specifications. Plans and Elevations of Steam and Hot Water Heating Plants are shown and all other subjects in the book are fully illustrated.

256 pages, 121 illustrations, 12mo, cloth, price, $1.50

Sold by Booksellers generally or sent postpaid to any address upon receipt of price by the Publishers

FREDERICK J. DRAKE & CO.

3S0-352 WABASH AVENUE. CHICAGO. U.S.A.