Heating Ventilating Air Conditioning Guide 1939 SELECTION OF FANS The following information is required to select the proper type of fan- 1.

Heating Ventilating Air Conditioning Guide 1939 open.

Heating Ventilating Air Conditioning Guide 1939 Table 17.

Heating Ventilating Air Conditioning .Guide 1939 nected in series are called thermopiles.

Heating Systems Valves, Air The Dole Valve Company Main office* and Factory: 1933 Carroll Avenue, Chicago 12, 111.

906 CHAPTER 43 1930 Guide are.

1066 UHAHTKK 48 54 Guide Performance of Air Filler,, by Mechanical Division.

INDUSTRIAL HYGIENE FOUNDATION An Autxinlum oflnxluttrUtfor Advancing InduttriaTHtaith and Improving Working ConditUmi FOCXDED IN 1933

INDUSTRIAL HYCIENE Free silica is uncombined silicon dioxide (SiOj) Sihcates contam sibcon and oxy gen combined with other elements in mme complex molecules The SiO reported in chemical analyses for mineral and geological reports is the total of the sibcon dioxide present, both the free silica (if present), and the silica combined m the mineral Such analyses are not reliable indications of the silicosis potential of the material, because it is the uncombined or free silica that is most important m industrial dust exposure.

r PI AIVTTtrio ___ r Bell Telephone Laboratories IMCOPPOftATCO 403 West street new York chclaca s-iooo February 17, 1938 IN NCPCT ncrcf* TO MLW-414-NML acplvino re T.

PLAINTIFF'S EXHIBIT HCTROPOUTAN LIFE INSURANCE COMPANY Effective of lta dote of laaue, Supplementary Agreement fora C. 8297 attached to Qraip Policy No.

tj-.z.: * i. * X X PLAINTIFF'S EXHIBIT MET-971 -- NATIONAL ACADEMY OP SCIENCES = NATIONAL RESEARCH COUNCIL BUILDING f"7"HE National Academy of Sciences, q body of active.

PLAINTIFF'S EXHIBIT (fmi.

SCHEDULE A That part of the North EaBt quarter of the South West quarter of Section sixteen (16), Township thirty-eight (38) North, Range eight (8) East of the Third Principal Meridian, described as follows 1 Commencing at the South West oorner of said North East quarter of ths South West quarter of Section sixteen (16), thence North eighty-nine (89) degrees forty-four (44) minutes East along the South line thereof eight hundred fiftyseven and thirty-two one-hundredths (857.32) feet for a place of beginning, thence North no (6) degrees fourteen (ity) minutes East three hundred thirty-three (333) feet, thence North eighty-nine (89) degrees forty-four (44) minutes East a distance of four hundred thirty-five and five tenths (435.5) feet to the West line of the former Ottawa, Oswego and Fox River Valley Railroad Company's right of wav (now the Chicago, Burlington and Quincy Railroad;, thence South no (o)'\ degrees fourteen (l4; minutes West along said right of way line three hundred thirty-three (333) feet to the South line of the North East quarter of the South West quarter thence South eighty-nine (89) degrees forty-four (44) minuteB Wes>t along Bald South line four hundred thlrty=five &nd five tenth?

PLAINTIFF'S EXHIBIT ?