Access doors of convenient size should be provided in the sheet metal connections leading to and from the filters. 4.

Lead dustR Brass turnings (finel Fine coal_ ..

Supply Mains {steam): The pipes through'which the steam flows ' from the boiler or source of supply to the run-outs and risers leading to the heating units. 828 Chapter 45.

My only interest is in correcting a situation which is likely to lead to confusion and difficulty* What I have said, therefore, is not to be regarded as a criticism of you nor of any wish to pass th buck, if this has occurred through my neglect.

.; 7% Preferred........................................................ 6.000 National Lead Co.; 7% Preferred, Class A.... ..................................... 50.00 100.00 100.00 3,540 Otis Elevitor Co.; 6% Prefared............................................................. -10,000 Procter A Gamble Co.; 5% Preferred (Option-115 on or before 100.00 February 1,1939, after at 110)......................................... .............. 100.00 3,392 Realty A Security Co.

eesool'tter st ftsr*vsr * , where they 5 -v f y. i 10,000" fellowship for the nhy ological *tu*y of l e M . e f- / m o t t delightful and instructive visit with Ante, -jr 31 houn at the Huntington Memorial Hosplt.nl. sr-o t'*' r-tand-'olrt of lead are emit*- toxicity, wh?

When localized high velocities through the outlet exist from this cause or any other, the noise produced will naturally exceed that which the outlet area and average face velocity would lead one to expect.

Choice of leading utilities and industrial firms.

. $100.00 1,000 National Lead Co.; 7% Preferred, Claas A...................................... 100.00 3,540 Otis Elevator Co.; 6% Preferred. .......................................................... 100.00 10,000 Procter k Gamble Co.; 5% Preferred (Option-115 on or before February 1,1939, after at 110)............................................................ 100.00 3,392 Realty k Security Co.

'WTTT'" 7 American Society of Heating and Ventilating Engineers Guide, 1931 Supply mains shall be defined as the pipes through which the steam'' flows from the boiler or source of supply to the run-outs and risers leading!

When localized high velocities through the outlet exist from this cause or any other, the noise produced will naturally exceed that which the outlet area and average face velocity would lead one to expect.

These laboratories, located at the Dodge Main Plant of the Chrysler Corporation, in Detroit, are devoted to the study of occupational diseases and their sources, together with other agencies and conditions of work lead ing to industrial health hazards.

DOMESTIC ENGINEERING CATALOG DIRECTORY and AIR CONDITION ING BLUE BOOK is used constantly throughout the year by the leading buyers and specifying engineers in the field . . . and in addition goes to all essential war activity officials.

For example, condensate in oil leads directly to the forma tion of sludge, and, of course, if a water leak should ever develop, serious emulsification and real trouble might occur.

Joseph Lead Company United States Gypsum Company 41,258.42 8,974.04 5 6,500.00 " 2,747.00 250.00 + . 3,250.00 250.00 s* 247.50 | 750.00 125.00 32.50 In Memory of Sydney Lunt Wood Miss Sarah C.