He says Europe must take the lead in worldwide ac tion for pollution control, population limitation and the bettering of human life.

I - A w r o c ir t iv e o f y o u r C o m p a n y 13 co n t in u e d su p p o r t ox t h is w o r k , hom e se r io u s ou estioaa h ave ar ise n lately con cern in g th e poten tial h a car d of ike lead con tribu ted to th e at m o sp h e r e in Lo s A n geles by the au tom ob ile, an d from th ese an d oth er sign s, la m con vin ced th at the e v i d en ce w h ich we a r e seek in g w ill be n eed ed u r gen tly in th e n ot too d istan t fu tu re.

S, 1 0 N 3 Y DISMANTL1NG f il t e r AND r e c o v e r i NG THE LEAD BEFORE D1SPOS1 N G 0 F REMAIN!

The resolution of these questions would lead to the answer of the fifth problem. 5;.

Shipped completely assembled ready to unpack and use Money bock AT ONCE if you are not thoroughly delighted Prompt #felivery Free Delivery Anywhere on orders of two more Send check or order Order one two or a docent money money SOUTHLAND BOOK CO 1113 HORD ST DALLAS TEXAS the cigarettes use Brown & William- son's Viceroy the leader among filter cigarettes and Liggett & Myers M use an acetate filter made by Tennessee Eastman - whiwc hih ch pumped into the filter game early and is now the leading producer makes a tow of fibers ta long rope affair consisting of 20,000 acc tate filaments each about half the di ameter of an average lumman hair The 20,000 fibers is what gives Viceroy it advertising slogan of 20,000 filtering surfaces P.

Lead Co. of Ohio - Cincinnati Natl.

Them is an abundance of oils such ss linmH sad soya, but pigments, including lead, sine, titanium aad certain colors, am in shorter supply.

An eloctrocarrfiogram shewed P-wavcs to be somewhat peaked and perhaps slightly elevated in lead 2 and in AVF.

However, it has been found that copper chloride, lead chloride, tin chloride, zinc chloride, common salt and some other salts are partially effective in removing soot from furnaces and boilers when properly used.8 CONDENSATION AND CORROSION Sulfur dioxide or sulfur trioxide formed by the combustion of sulfur in fuels, is the principal corroding element in flue gases, and becomes active whenever moisture is present for the formation of sulfurous or sulfuric acid.9 It is necessary, therefore, to maintain a flue gas temperature in excess of the dew-point temperature of the flue gases in all parts of appliances, unless they are made of materials that will resist these cor rosive influences.

Where exact performance data are not available, this assumption is a desirable one since it leads to a conservatively large determination of the power required.

With colloidal silica, small amounts are completely removed; too large amounts lead to instantaneous death; intermediate doses as in the .

/ LEAD INDUSTRIES ASSOCIATION 4M UDCINOTON AVTHUt Mwwn i r, h . r.

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

Non-heating leads run in rigid conduit between the wall outlet box and floor, terminating through bushings beneath the sur face of the final coating.

.-- Plaster. 3 coats of lead and oil...... ................. . ................. ..............-- ....... 2c Plaster, 2 coats of aluminum paint.... ..... .......................:..............