622 CHAPTER 31 1949 Guide - The two inside walls are assumed to separate rooms, which are filled with 68 F air, so that both surfaces of each wall are in close contact with 68 F air.

624 CHAPTER 31 1949 Guide In the following example, it will be assumed that the ceiling panel must deliver 70 per cent of its heat or 24,882 Btuh by radiation, since the total calculated heat loss is 35,117.

930 CHAPTER 48 1949 Guide filters for absorbing odors and other impurities, thug reducing the amount of outside air necessary for ventilation.

Publications Fueloil & Oil Heat 232 Madison Ave.

Confidential Mellon Institute of Industrial Research University of Pittsburgh PROGRESS REPORT for the week .ended December 7. 191 llHo AIR HYGIENE FOUNDATION .Industrial Fellowship No. 259-6 Subjects under which report is to be indexed 3 copies made: 1 - Mellon Institute 2 - Air Hygiene file A comprehensive list of prospective members, numbering about 150 companies, was compiled during the week.

9 Dlgast of Industrial Hygiano -7.

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e /\ r* Reaction Jit Oulnos Pipi In footed with, Tubcrole Bacilli at the Onoot of Duat Inhalation, Of the group of 40 Ulnt pigs infeotod with at* "' IX teuuttod tubercle bacilli, Rj itralaC^), at the time that exposure to dust was begun, 31 diod or wore sacrificed before the completion of two yoare of duat expoouro aod were reported la the pepor by Gardner end CuiwaingaCl).

; -w." - `i- - i * il Iniufltrlal_Hjrglene Dlgfeat - 43___ _,August, 19^9 953 Efficiency of Various Types of Artificial Respiration at High Altitudes.

/jjTM\ FRICTION MATERIAL POPULAR TRUCK BRAKE LINIHG SECTION, Conf'd \ MAKE MODEL YEAR INLITE UNINO RECOMMENDATIONS Loco* Mon OHIled Sol No.

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AFFIDAVIT WASHINGTON DISTRICT OF COLUMBIA ) ) SS. ) BEFORE ME, the undersigned Notary Public, personally came and appeared MICHAEL RHODE, a person of the full age of majority, being of sound mind and body, who, after being first duly sworn by me, did depose and say: I, MICHAEL RHODE, am an employee of the Armed Forces Institute of Pathology, Washington, D.C.

The Saranac Laboratory FOR THE STUDY OF TUBERCULOSIS OF THE EDWAED L TRUDEAU FOUNDATION Saranac Lake, N.Y.

PLAINTIFF'S EXHIBIT MET-921 cc Mr, S.

i Office 1942 \ ft J. cv FmOmm i -- i ima Uri On.