American Society of Heating and Ventilating Engineers Guide, 1929 suction ducts or high velocity outlets arranged to move the cold heavy stratum of air which is likely otherwise to lie close to floors.

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T a < L 3.1 o S O THE MACftfrLLAN COMPANY HZW YCMUd aOSTOK CHICAGO DALLAS atlamta sam rsumeo MACMILLAN * CO- Liwtrm LOMDOM - SOMSAV CALCUTTA MELOO<JRX THE MACMILLAN CO.

EMERGENCY HANDLING OF HAZARDOUS MATERIALS IN SURFACE TRANSPORTATION Edited by Patrick J.

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70 Am.

mmm Copyright, 1924 BY American Society of Heating and Ventilating Engineers - Printed and Bound by The Horn-Shafer Company BALTIMORE MARYLAND .

American Society of Heating and Ventilating Engineers Guide, 1925-26 In other words the physiological effects of poor ventilation have con tinued to manifest'themselves in much the same way but our knowledge of these manifestations are continually changing.

American Society of Heating and Ventilating Engineers Guide, 1925-26 number, size, location and general application of the mechanical venti lators.

American Society of Heating and Ventilating Engineers Guide, 1926-27 Gravity hot water heating systems may be designed for even circula tion at any range of water temperature difference between flow and return, within practical limits.

Boilers and Radiators Continental Heater Corporation Dunkirk, N.

American Society of Heating and Ventilating Engineers Guide, 1929 LAU, Anton S., (1926), Consulting Engr., 51 East 42nd St,, New York, N.

Fans Bayley Blower Company 1817 S.

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PLAINTIFF'S EXHIBIT Industrial Hygiene Third Printing, June, 1925 3' r* zi cn W CH z 5> 5O0 o5>8< St*5 rQo H> K 2Z ns _ >z 5E -< w *--rw'V'JL-..