926 ^ ~ ; : 1946 Guide ' HEATING SYSTEMS, Steam HUMIDIFIERS - H.

Insulation ftDSCO PRODUCTS for STEAM SERVICE American District Steam Company North Tonawanda.N.Y IN BUSINESS OVER 65 YEARS Branches and Agents in Principal Cities Tile-Conduit with ADSCO Filler Insulation-- a "Fiberglas" Product OVER 65 YEARS EXPERIENCE IS BUILT INTO THE DESIGN AND MANUFACTURE OF DEPENDABLE ADSCO PRODUCTS FOR PIPE LINES For over 65 years ADSCO engineers have specialized in the design and appli cation of pipe fittings and accessory equip ment for underground and surface steam, water, oil and other piping systems.

242 CHAPTER 14 1948 Guide where (a =. attic temperature, Fahrenheit degrees, h = inside temperature near top floor ceiling, Fahrenheit degrees. to = outside temperature, Fahrenheit degrees.

492 (CHAPTER 25 .... 1948 Guide depending on the.application.-.

496 `CHAPTER,26 1948 Guide fan draws air through, and (6) the blow-through type, in which the fan blows air through the heater.

738 CHAPTER 40 1948 Guide air.

790 CHAPTER. 43 '1948 Guide coil Fis required to warm the air to a temperature above freezing.

52 CHAPTER 3 ,1949 Guide GOFF DIAGRAM FOR MOIST AIR It is a fundamental proposition of thermodynamics that when a fluid- flows across a section fixed in space it convects with it an amount of energy, equal to its enthalpy ~ds determined by the pressure, temperature, and com position of the fluid at that section.

78 CHAPTER 4 1949 Guide where Ns.

178 CHAPTER 9 1949 Guide see Air Conditioning of Farm Buildings, by F.

'398 CHAPTER 18 1949 Guide INSTALLATION The two most important considerations involved in the installation of a space heater are safety and chimney draft.

468: CHAPTER 23 1949 Guide-' when the boiler is steaming under pressure conditions which would prevent the return of condensate by. gravity-- .The typical connections for an auto; matic return trap are illustrated in Fig. 13. : Each heating unit in a vapor system, as in all two-pipe systems, is pro vided with a'graduated or modulating valve which permits the control of heat in the radiator by varying the opening of .the valve.

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Con y id k nti a i* Mellon Institute of Industrial Research PLAINTIFF'S EXHIBIT IHF-368 UNIVERSITY OF PITTSBURGH Received: r-r-* Approved Date PROGRESS REPORT fcr the week ended July 15, 1944 INDUSTRIAL EIGIIKE FOUNDATION Subjects under which report is to be indexed Industrial Fellowship No. 259-10 S copies made: 1 - Mellon Institute 2 - Industrial hygiene file Further progress was made on the Beaver Valley atmospheric study.

Confidential -WL , Mellon Institute of Industrial Research Untvkhsity of Pittsburgh PROGRESS REPORT for the___ weakended----- May-3-, 1941 AIR HYGIEKr.