264 CHAPTER 15 ' 1948-Guide Cooling Load .

632 CHAPTER 35 1948 Guide Typical Specifications for Single Phase Motors ` ------------------ Hp,------------------ RPM, |gg| Cycles, {230} Volts,-Single Phase Motor of the----------------- !

780 CHAPTER 42 1948 Guide as: well as Equation 6, show thatthe attenuation in decibels is directly proportional to the length of duct lined, and that the larger the duct the greater will be the length which must be lined in-order to obtain a given noise reduction.

822CHAPTER 45 -' 1948 Guide .

i ^ Heating Systems Buffalo Pumps, Inc. 450 Broadway, Buffalo, N.

68 .

,^g;at Twismission Coefficients of Bmiding'Materials 137

236 CHAPTER 13 1949 Guide to be more effective than when either one of the two is used alone, but the proof for this has yet to come.

jil .504 CHAPTER 24 1949 Guide Hot 'Water Heating Systems and Piping 505 milinches per foot or 600 milinches for 4 ft.

722 CHAPTER 37 ' 1949 'Outdo' filling over which-the water cascades from top to bottom. ' In many cases,a combination of the spray-filled and wood-filled design is used. - The forced draft type of tower (Fig. 7), has the advantages of being suit able for corrosive1 waters and having the fan mounted near the ground level on a rigid foundation where it is easily accessible

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

566 CHAPTER 54 Table 1 ....

The- foregoing tabulations, summarising the experience of the Founds* tion in .plant, investigations and research, demonstrate the variety of under takings 'and the considerable coverage in the field of industrial hygiene which has-been obtained and certainly lend support to and validate the ini tial policy which established the technical work as a major activity In the over-all program. - A simple tabulation, however, cannot tell the whole story, nor is it completely evident from this summary that the Foundation's activities provide more than could have been obtained by the individual companies within their own organizations or from other agencies.

Preliminary Dust Surrey for Asbestos Textile Institute, June, 1947. 7 msTiwo post cowrooL amcncEs The following discussion of Aunt control practices in tbs industry is merely an outline. 7b be useful to those vho are responsible for the engineering in each plant, they vill seed to be set forth in the fom of detailed, specificstiana describing details of construction, speclflcatione for sheet metal contractors, for purchase of ftae of proper capacity and for design and operation of dust collectors.

CANADA The report for the American Brakeblok Division of Lindsay, Ontario will be contained in the annual report of the Dominion Brake Shoe Company, Limited.