!

220 CHAPTER 13 ' . ; . : 1948 Guide Frequently from 50-to 75 per cent of personnel aboard-naval vessels operating in tropical waters-are afflicted with heat rash to a degree that interferes with rest and sleep.

300 CHAPTER 16 1948 Guide permit of the screened sizes being delivered free from fines.

'Heatings Ventilating -.

50 CHAPTER 3 1949 Guide -data in Table 1 at temperatures below about 150 F, the volume v of moist air per.pound of,dry.air at any degree of saturation p may be computed from the, simple relation, v = + pXu (4) To obtain comparable accuracy at temperatures above about 150 F it is necessary to add a correction term as follows, Ml - MA 1 + oTV.p (4a) where a denotes the ratio of the apparent'molecular weight of dry air (28.966) to the molecular weight of water (18.016), namely, 1.6078.

180 CHAPTER 10 1949 Guide of organic substances such as tobacco, wood, coal, oil, tar and other carbonaceous materials.

.408 CHAPTER 19 1949.

568: CHAPTER 27 1949 Guide with a taper of 1 in 16 measured on the diameter of the pipe so as to secure. a tight joint.

.682 CHAPTER 35 '" * 1949 Guide Table 2.

910 CHAPTER 47 1949 Guide rale shown by BA.

976 CHAPTER 51 1949 Guide gases, and chloride salts are the corrosion accelerators most frequentlyencountered.

992 CHAPTER 52 1949 Guide- Table 1.

774 CHAPTER 35 1051 Guide Upi -- dew-point of air leaving coil, Fahrenheit degrees. tt == average refrigerant temperature, Fahrenheit degrees, i, = average temperature of external surface of coil, Fahrenheit degrees.

/ t FACTSINDUSTRIAL KrcKN FOUNOATlOH Vol. 3.

Confidential Mellon Institute of Industrial Research UNIVERSITY OF PITTSBURGH PLAINTIFF'S EXHIBIT IHF-325 PROGRESS REPORT for the week ended February 16, 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 A study was made of ventilation systems and ventilation requirements in the foamglas plant of Pittsburgh Corning Corporation, Port Allegany, Pa.