Part 1

STEAM

ITS GENERATION AND USE

THE BABCOCK & WILCOX CO. NEW YORK

Thirty-fifth Edition

4th Issue

Copyright, 1919, by The Babcock & Wilcox Co.

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Bartlett Orr Press

New York

THE BABCOCK & WILCOX CO.

85 LIBERTY STREET, NEW YORK, U. S. A.

Works

BAYONNE NEW JERSEY BARBERTON OHIO

Officers

W. D. HOXIE, President E. H. WELLS, Chairman of the Board A. G. PRATT, Vice-President

Branch Offices

ATLANTA Candler Building BOSTON 35 Federal Street CHICAGO Marquette Building CINCINNATI Traction Building CLEVELAND New Guardian Building DENVER 435 Seventeenth Street HAVANA, CUBA 104 Calle de Aguiar HOUSTON Southern Pacific Building LOS ANGELES I. N. Van Nuy's Building NEW ORLEANS Shubert Arcade PHILADELPHIA North American Building PITTSBURGH Farmers' Deposit Bank Building SALT LAKE CITY Kearns Building SAN FRANCISCO Sheldon Building SEATTLE L. C. Smith Building TUCSON, ARIZ. Santa Rita Hotel Building SAN JUAN, PORTO RICO Royal Bank Building

Export Department, New York: Alberto de Verastegni, Director

TELEGRAPHIC ADDRESS: FOR NEW YORK, "GLOVEBOXES" FOR HAVANA, "BABCOCK"

BABCOCK & WILCOX Limited

ORIEL HOUSE, FARRINGDON STREET, LONDON, E. C. WORKS: RENFREW, SCOTLAND

Directors

JOHN DEWRANCE, Chairman CHARLES A. KNIGHT ARTHUR T. SIMPSON J. H. R. KEMNAL WILLIAM D. HOXIE Managing Director E. H. WELLS WALTER COLLS, Secretary

Branch Offices in Great Britain

GLASGOW: 29 St. Vincent Place BIRMINGHAM: Winchester House CARDIFF: 129 Bute Street BELFAST: Ocean Buildings, Donegal Square, E. MANCHESTER: 30 Cross Street MIDDLESBROUGH: The Exchange NEWCASTLE: 42 Westgate Road SHEFFIELD: 14 Bank Chambers, Fargate

Offices Abroad

BOMBAY: Wheeler's Building, Hornby Road, Fort BRUSSELS: 187 Rue Royal BILBAO: 1 Plaza de Albia CALCUTTA: Clive Building JOHANNESBURG: Consolidated Buildings LIMA: Peru LISBON: 84-86 Rua do Commercio MADRID: Ventura de la Vega MELBOURNE: 9 William Street MEXICO: 22-23 Tiburcio MILAN: 22 Via Principe Umberto MONTREAL: College Street, St. Henry NAPLES: 107 Via Santa Lucia SHANGHAI: 1a Jinkee Road SYDNEY: 427-429 Sussex Street TOKYO: Japan TORONTO: Traders' Bank Building

Representatives and Licensees in