572 CHAPTER 27 1949 Guided Fittings for copper pipe of IPS dimensions are available in screwed or soldered types of. connection.

906 CHAPTER 46 1949 Guide Every pipe should be kept open and unobstructed throughout its entire length, and no fixed screen should be placed in it, although the use of a trap at the junction of the hood and branch pipe is permissible, provided it is not allowed to fill up completely.

924 CHAPTER 47 . 1949 Guide 1105.5X 0:75 = 830 lb of wet material or = 8.45 cu ft.of material.

928 CHAPTER 48 1949 Guide circulated through the finned tubing by means of circulators.

AW System*'Equipment.

Confidential Mellon Institute of Industrial Research i University of Pittsburgh PROGRESS REPORT for the___ weekended Subjects under which report is to be indexed -------------Industrial Fellowship No. 259-7 3 copies made: 1 - Mellon Institute 2 - Air Hygiene file plaintiff's mron 1HF-398 Spent entire week on supplemental stucfy of atmospheric conditions in vicinity of Calco Chemical plant, Bound Brook, N.

r \ A r Elliott steam jet ejectors, by virtue of their I ability to attain and maintain high vacuum, or low absolute pressures, economically, are often used in new processes involving the use of vacuum.

THE OPEN STEEL FLOORING IS Tri-Lok No object over X square inch can pass through supcr-iafc U-Type TW-LoJc Flooring.

POWER 8UYERS' GUIDE MID.YEAR. 1946 YSinwSf BLOW-OFF VALVES Used singly or In tandem In more than 12,000 plants In 87 different industries.

) 1947 Survey | 1940 Surrey r'/yASi 1947 Survey i^B (940 Survey fpzza (947 Survey M (940 Survey to-799-psi range may give some weight to the thoughts that a number of au thorities have put forward .regarding stallation of a steam-generator equipped with a eyclone burner.

THE ZaJlea Stainless Steel Expansion Joint shown above is one of several used in the process steam distribution line of a large Western refinery . . . installed for dependable, economical operation.

HOPPES FEEDWATER HEATERS Deaerating and Non-Deaerating I Hoi Waler Storage Healers Low Pressure Closed Type Feedwater Heaters Instantaneous Water Heaters Steam and Oil Separators ** Cast Iron Exhaust Heads Blow-off Tanks HOPPES Manufacturing Co., Inc* EttablUhed 1881 SPRINGFIELD, OHIO WARNING!

36-Inch IDEAL WATER TUBE BOILERS Sections and Parts Required OH and Stoker STEAM AND WATER SERIES 9-B Complete Boiler Consists of Following Units: #0736 AO --Front Section--Steam or Water-- Uncrated.....................................................

In the history ofpipe lines certainly Texas Eastern Transmission Corpo ration of Shreveport, Louisiana, has a place second to none.

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