September 23# 1957 Br Ralph Huntlay Biverbank Acoustical Laboratories Genera# minois* ^ Dear Mr* Huntlay* Since >7 latter of August 29* we hare bean in touch with the E-Z-On Corporation of ChieafO and thay hare volunteered to apply the acoustical plaster to the panels and then track than to Genera* Hi hero accepted their offer and it is hoped that the panels sill he prepared rery shortly and after drying* rill be brought to yon* possibly vithin two or three weeks* In order for the panels to be coa^lately dry* possibly the panele should be cured for two or tbroo weeks after plastering takes place* The psnels will bo prepared In accordance with your sugges tion for which wo thank yon* and trust that they will reach you In good condition* k purchase order in the raouxxt of $120*00 will be sent you under separate cover* Very truly yours* BESTVALL GTPSUM COMPANT CGStew ' C* 0* Shuttlevarth, Chief Cheeist.

American Society of Heating and Ventilating Engineers Guide, 1956 s H = heat to be carried off, in Btu per minute.

184 CHAPTER 9 1950 Guide )Table 5.

392 CHAPTER 16 1950 Guide Table 4.

504 CHAPTER 22 1950 Guide Table 1.

846 CHAPTER 40 1950 Guide preciable velocity has not yet been mastered, although.it is a subject of current investigation.

980 CHAPTER 48 . 1950 Guide FRICTION LOSS IN HEAD IN LBS.

1044 1950 Guide Titusville Iron WorkB Co., The, Campbell Heating Co., 1032-1083, HEATERS, Unit, Electric (Div. of Strothers Wells Corp.), 1094 Electromode Corp.. 1104 1308 Pacific Steel Boiler Div., U.

160 CHAPTER 8 1951 Guide particles in the 0.1 micron vicinity may have influenced the determination of average particle size. ' The lower limit-of particle size visible to the naked eye cannot be stated definitely.

502 CHAPTER 21 1951 Guide milinches per foot, or 600 milinches for 4 ft.

'598 CHAPTER 27 1951 Guide cost $0,804 per thousand Mb.

692 CHAPTER 32 1951 Guide 2.

414 CHAPTER 16 1952 Guide Available- draft equal to, or greater than, that produced by the other three larger liners.

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Air System Equipment An cleaners Westinghouse Electric Corporation Slurlevant Division Air Conditioning, Heating, Ventilating, Dust Control and Fume Removal Equipment, Electronic Air Cleaners, Compressors.