American Society of Heating and Ventilating Engineers Guide, 1937 ' risers to the dry return main through water seals about 36 in. deep, ^ shown in Fig. 9, to prevent steam from one riser entering another and closing the air valves on the nearest radiators.

American Society of Heating and Ventilating Engineers Guide, 1937 Chapter 40--Air Conditioning for Industrial Processes temperature of 80 F with a relative humidity of 65 per cent to hold the surface of the dough open, so that the CO% gases formed by the fermenta tion may pass out and produce a loaf of bread, when baked, of even, fine 5- help of a few of the natural laws, may act as a stimulus to the imagination and assist in solving others.

Air Conditioning Niagara Blower Company AIR ENGINEERING EQUIPMENT AND SYSTEMS General Sales Office: 6 East 45th Street, New York City Buffalo Rochester Boston Philadelphia Pittsburgh Chicago St.

American Society of Heating and Ventilating Engineers Guide, 1937 PURDY, Randall B.

v iWf sS5^SJ',t TEXT AND ILLUSTRATIONS ARE FULLY PRO TECTED BY COPYRIGHT AND NOTHING THAT APPEARS MAY BE REPRINTED EITHER WHOLLY OR IN PART WITHOUT SPECIAL PERMISSION. \ Printed and Bound by Tbs Hobm-Shafer Company BALTIMORE >; MARYLAND Heating Ventilating Air Conditioning GUIDE 1938 An Instrument of Service prepared for the Profession--Containing a Technical Data Section OF REFERENCE MATERIAL ON THE DESIGN AND SPECIFICATION OF HEATING, VENTILATING AND AIR CONDITIONING SYSTEMS--BASED ON THE TRANSr C actions^-the Investigations of the Research Laboratory and o operating Institutions--and the Practice of the Members and Friends of the Society TOGETHER WITH A Manufacturers' Catalog Data Section Containing Essential and-Reliable Information Concerning Modern Equipment ALSO The Roll,of Membership of the Society ; y * . with ; ; -i'J ' Complete Indazes ' ; to Technical and Catalog Data Sections VoL 16 $5.00 Per Copy X685974 Copyright, 1938 AND Published Annually by 1J *Avmerican Society of Heating and Ventilating Engineers 51 Madison Avenue N.New York, Y.

CGi A, L, Meyer - Ardmore R Smith - Ard* sageo4THf9 cu-' ?

Form 640 20M 8-56 PRINTED (N U. .

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GEO PAC PTLO E GP BV AhRGN 10/24/74 TO: MH. o.

PATENTS AMD LICENSING SECTION Firestop Improved Firestop patent #3,616,173 issued in October 1971 to George Green.

TABLE OF CONTENTS Summary . .................................. .... ............................................................................................... 1 Distribution of R&D Expenditures for First 6 Months of 1967 ....

PRODUCT DEVELOPMENT 6.

SIX MONTHS REPORT PRODUCT DEVELOPMENT & TECHNICAL SERVICE DEPARTMENT January thru June 1975 INDEX SIX MONTH SUMMARY Summary..................................................................................................................

M&M MINUTES bock MINUTES MANUFACTURING t MINING COMMITTEE MEETING ARIZONA BILTMORE HOTEL PHOENIX, ARIZONA October 1, 1980 Mr.

I MAimET 7-3077 GEO.