Marcella Duncan 7-22-04.txt 7 MR.

Look S:.' . +, beneath ' \ the * braid 1 : exmbit ^-169 - ... that's where quality begins -} these service proved felted asbestos walls insure uninterrupted operation with ROCKBESTOS A.

C `4|MI)nuiflD(IIU,|.A, s:jeu chemical corporation r Am 9, 19ft f. 0. 157* Attestloni Hr. , C. telbfall PLAINTIFF'S EXHIBIT *W- SHtU.

October 17* 1951 % Pennsylvania Department of Labor and Industry Harrisburg, Pennsylvania Gentlemen: If reprints are still available, vill you please send me a copy of Special Bulletin 37, Asbestosis: !

I5TBI#IIIC- CBBBSr*NBBNCB L*VltlAKA ilVttlCK January 30, 1953 | PLAINTIFF'S I EXHIBIT f EXX 118 Y He: Air Pollution Survey Dr.

Form Bf B4 15M I51 Mivru m u.. a.

Heating Systems American r> c$tattda^d Radiator* CORPORATION New York Pittsburgh GAS-FIRED BOILERS, AIR CONDITIONERS, WATER HEATERS Virtually every automatic gas-fired heating, air conditioning and hot wat^r need can be met with this complete line.

94 CHAPTER 4 1950 Guide Fluid Flow 95 FLOW MEASUREMENT BY PITOT TUBE There remains one other head type meter useful in ventilating work, , Pitot tube named for the Frenchman who discovered the principle.

314 CHAPTER 13 1950 Guide this is what is ordinarily meant when the heating value of a fuel is specified.

854 CHAPTER 40 1950 Guide lined duct.: It decreases-as the cross-sectional area increases, and increases as the aspect ratio is increased.

910 CHAPTER 44 1950 Guide involved that a detailed treatment is beyond the scope of this chapter.

10 CHAPTER 1 1951 Guide Vapor: The gaseous form of substances which are normally in the solid or liquid state, and which can be changed to these states either by increasing the pressure or decreasing the temperature.

562 CHAPTER 25 1951 Guide Unit Air Conditioners and Unit Air Coolers 563 should be used if face velocities exceed 500 to 530 fpm, unless adequate means of catching the droplets are provided.

836 CHAPTER 38 1951 Guide changes in piping layout.

P' 10 CHAPTER 1 ' 1952 Guide Two-Pipe System (Steam or Water): A heating system in which one pipe is used, for the supply of the heating medium to the heating unit, and another for the return of the heating medium to the source of heat supply.