formed between the float and inside wall of the tube.

KtfBB1 0009994- i A cSk ut imjwt towane* 0(AMICA.INCl b--W-- lO}1 FOUNDATION FACTS This nws-ietter is issued monthly to member companies and trade associations affiliated with Air Hygiene Foundation.

CONFIDE.NTLA.L Mellox Institute of Industrial Research UNIVERSITY OF PITTSBURGH Rec/ii^ed: \l jMi'd Appaovea fcace PROGRESS REPORT for the week ended March 23, 1946 INDUSTRIAL HYGIENE FOUNDATION Subjects under which report is to be indexed Industrial Fellowship No. 259-12 3 copies made: 1 - Mellon Institute 2 - Industrial Hygiene files Several samples of dust from Bird and Son, Inc., were separated into size fractions by sedimentation.

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

Confidential Mellon Institute of Industrial Research i University of Pittsburgh PROGRESS REPORT for the___ weekended Subjects under which report is to be indexed -------------Industrial Fellowship No. 259-7 3 copies made: 1 - Mellon Institute 2 - Air Hygiene file plaintiff's mron 1HF-398 Spent entire week on supplemental stucfy of atmospheric conditions in vicinity of Calco Chemical plant, Bound Brook, N.

Mellon Institute of Industrial Research UNIVERSITY OF PITTSBURGH PROGRESS REPORT for the week ended August 14, 1943.

` y^Lruary, 1042 Industrial Hygiene Foundation, 4400 Fifth Ave., Pittsburgh, Pa.

Kyo < - -SI Digest of Industrial Hygiene - 3.

7 z. - o on r i XTOUSTtOAL E^GEIS FOUKBA.TIOH OF AJERICA, IHC.

Total net sales in 1948 were approximately 88,704,500 as compared to 87,959,500 in 1947, an increase of v745,000, or 9>.

Industrial Hygiene Digest - 29 August , 1949 standard vill be considered unreasonable by Industry, and may farce plants to leave the area.

Sources of Help of approval on models demonstrated to be safe for use in mines Coal mine inspection.

tr*f 2*oeii T 226 N.

AFFIDAVIT WASHINGTON DISTRICT OF COLUMBIA ) ) ss. ) BEFORE ME, the undersigned Notary Public, personally cane 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 QtiAKI tKLY bULLtllN ' for METROPOLITAN NURSES Tolu*e 13, No. 3 July 1943 This new Industrial Exhibit was first shown at the American Industrial Physicians and Surgeons Annual Meeting, held at Detroit from April 2d to 8th, 1949.