DISTRICT
HEATING
FORMERLY THE BULLETIN OF THE NATIONAL DISTRICT HEATING ASSOCIATION
PUBLISHED QUARTERLY SINCE 1915
APRIL 1959 - VOL. XLIV, No. 4
CONTENTS
Page
OFFICERS
WILLIAM G. GILLIM
President
GEORGE F. PRESl WlCH
First Vice-President
ALBERT F. METZGER
Second Vice-President
JOHN D. LEMON
Third Vice-President
JOHN F. COLLINS, JR.
Secretary-Treasurer
JOHN C. HAROLDSON
Past President
President's Message........................................ 131
Skytop Club 132
"Pittsburgh Completes the Triangle"-William E. Lucas. . . . . . . . . .. 133
Executive Board Meets with Chairmen. . . . . . . . . . . . . . . . . . . . . . . . .. 136
"Underground Steam-Line Construction"-Donald H. Brandt. . . . . . .. 137
Past President Phillips Retires '. ....... 138
"Membership Progress"-Fred W. Deutsch 139
Report of the Nominating Committee. . . . . . . . . . . . . . . . . . . . . . . . .. 140
Have You Heard! 136, 141, 147, 172
Congratulations N.D.H.A. on Your 50th Anniversary! 140
"District Heating in Copenhagen"-A. K. Bak and Johannes Hansen 143
NDHA History in Pictures 148
"The History of District Heating"-John F. Collins, Jr.. . . . . . . . . .. 154
PUBLICATION OFFICE
827 N. Euclid Avenue
Pittsburgh 6, Po.
EDITOR AND MANAGER
John F. Collins, Jr.
Advertising Index.......................................... 162
Golden Anniversary Meeting Technical Program 164, 167, 168
Golden Anniversary Meeting Entertainment Program. . . . . . . . . . . . .. 170
Official Announcements 176, 180
Degree-Day Statistics....................................... 178
Manufacturers' Catalogues and Bulletins. . . . . . . . . . . . . . . . . . . . . . .. 180
New Equipment, New Ideas, New Processes 185, 187
Index to Volume XLIV. ..................................... 188
Spring Meeting of New England Section. . . . . . . . . . . . . . . . . . . . . . .. 172
PUBLICATION COMMITTEE
John F. Collins, Jr., Chairman
William G. Gillim
John C. Haroldson
INDEXED BY ENGINEERING INDEX
Published on the 15th of July" Octo'Jer, January and April by the National District Heating
Association.
Yearly subscription $3.00, Single Copy $.75.
Copyrighted 1959 by the National District Heating Association.
Permission to reprint as a whole or in part must be secured from the Association and proper
credit given.
Second-class mail postage poid at Pittsburgh, Po.
Statements and opinions advanced in the papers and discussions are to be understood as
individual expressions of their authors and not necessarily those of the Association.
Advertising rates sent on request.
Forms close June 15, September 15, December 15 and March 15.
