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,4mmwv 20 1955 coNNAmi or &mum m?

PLAINTIFF'S EXHIBIT FEBRUARY 1959 PRODUCT SPECIFICATION DIRECTORY This list provides a simple up-to-date cross reference of Bestwall products with applicable American Society for Testing Materials Standards (ASTM Standards), Federal Specifications and American Standards Association Specifications (ASA).

1000 CHAPTER 49 1950 Guide D = number of degrees on the thermometer scale which are not immersed. h = temperature indicated on the thermometer, Fahrenheit degrees. (> = temperature of the non-immersed mercury column, Fahrenheit degrees. 0.00009 = difference in the coefficient of expansion of the mercury and glass.

' 1016 CHAPTER 49 1950 Guide subject is now under investigation by the A.S.H.V.E.

20 CHAPTER 2 Graphical Symbols for Drawings 1951 Guide Ventilating Tj----------- * 23.

96 CHAPTERS 1951 Guide in the eddy or turbulent region the major fraction of the transfer occurs by eddy mixing.

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470 CHAPTER 20 1951 Guide Table 1.

472 CHAPTER 20 Table 2.

666 CHAPTER 31 1951 Guide forms will produce a substantial saving in pressure loss.

680 CHAPTER 31 1951 Guide Section Table 7.

958 CHAPTER 46 1951 Guide ht *= total heat transfer coefficient, Btu per (hour) (square foot) (Fahrenheit degree).

1064 1951 Guide DUCT INSULATION (Sa> lnm- EXHAUST TUBING, Flexible Bg Electric Ventilating Co., Inc., lotionj Ducts, Ventilating, Air (See Tubing, Flexible, Metallic) 1136, 1227 Conditioning) Lau Blower Co., The, 1230 PropeHair Div., Robbins A Myers, EXHAUSTERS .

20 CHAPTER 2 Graphical Symbols for Drawings 1952 Guide Ventilating 23.