20 Chapter 1 1 1945 Guide ------- Values in Table 9 are^iritended to aid in determining the density of saturated air at different pressures.

. 154______________________ __________________________ Chapter 6 1945 Guide' arrives.

618 Chapter 34 1945 Guide most accurate determination.'

658 Chapter 36 1945 Guide in removing particles of 15 to'20 microns and smaller; besides dusts and smoke85.

SS6'*` <1945zQuide/ Hoffman Specialty*Co., Inc., 1087- TANK COILS(S Coils, Tank) . jas.

162 CHAPTER 7 1946 Guide correspondingly small compressor operating expense can be attained but at the expense of coil surface, air quantity or both.

562 CHAPTER 31 1946 Guide.

856 CHAPTER 47 1946 Guide increases the drying time very much or causes a change of the physical properties of the material.

38 -Heating - Ventilating Air.

852 CHAPTER 48 1948 Guide duct.

886 '.

;46 Heating Ventilating- Air Conditioning Guide 1948 HALE, -Fred.

82 Heating Ventilating Air Conditioning .Guide 1948 ' - OLDS, Stephen T.

22 CHAPTER 2 1949 Guide IDENTIFICATION OF PIPING SYSTEMS BY COLOR The color scheme for identification of piping systems listed in the follow ing table and shown in Fig. 1 is reprinted from Part V, Fourth Edition, of the Engineering Standards of the Heating, Piping and Air Conditioning Contractors National Association1.

; 654 CHAPTER 33 1949 Guide Air Cleaning Devices 655 particles, but their dust-holding capacity for such dust may be inferior to that of the viscous impingement type.