We have been havingtrouble vlth this engine building up a lead deposit on the valves and in the compression chamber.

It is hoped that investigations now in progress will lead to a convenient and reasonably accurate method of rating which can be widely adopted.

The material presented leads?

Johnson Helen Ohr Typist Louis Sasser Head Watchman Base Rate lieo.oo 265.00 250*00 175.00 165.00 180.00 375.00 260.00 250.00 95.00 300.00 275.00 235.00 265.00 190.00 190.00 200.00 110.00 80.00 200.00 125.00 80.00 170.00 HACOUDA LEAD PRODUCTS COUPAST - OPKHATIBG: W.

. ,,..... 370 Methyl chloride..... ........ 1500-3000 Methyl bromide................ 200-400 Lead dust--.......... ..............

Conferences with representativee of the Health Department of the city of Montreal, the Deputy Minister of Health for the Province of Quebec, representatives of the Canadian Cancer Society, leading clinicians in the field, and many others indicated that considerable data relating to the general population of the Province can be obtained for purpoees of comparison with the popaletion group under study.

|I9UIM Cl, -iSM --0-J8 9 2 trrr /T O flfT AMERICAN METHOD TAPERED SHINGLES (Class A Underwriters' Label) USG American Method Tapered Shingles were especially designed by leading architects and outstanding color d>>igners to provide a roof of unusual beautv.

.- . f*r*- DEBIT CREDIT 18,893.28 10,858.28 . 8,930.17 933.75 1,960.00 2,345.13 - 2.13 4.12 9.56 29,-451*67 10,868.19 -- 77.42 45,942,30 5li22 148.82 285.00 56.54 537.18 168.55 1,878.41 194.90 1,312.34 201.32 290.32 301.28 43,811.28 0007-SWP-000016688 STATEMENT OP TAX ACCOUNTS February, 1937 Boston Bound Brook Chicago Cleveland Balias Detroit White Lead Works Houston Minneapolis Newark Oakland 0.S.& M.

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.

With colloidal silica, small amounts are completely removed; too large amounts lead to instantaneous death; intermediate doses as in the experiments described result in the formation of a complex between silica, fat, and protein. -- Cond. from Bull.Hyg

In extreme conditions, the metabolic rate is markedly increased owing to the excessive rise in body temperature4, and a vicious cycle results which may eventually lead to serious physiologic damage.

LANZA Thi report praM nta the re*ult of w ork don by th a U n ite d S ta te B u re au of M in e a t th e P ich e r (OkLa.) c lin ic in cooperation w ith the M etrop olitan Life In su ran ce Co. and the T ri-S ta te Z in c & Lead O re Producer Aaeoclatlon : Iv !

In the above connection Hrvan has. colled tay attention to the fact that Dr, van tienhoven la the chief medical consultant of the Shell paople In Maracaibo* and that he would be In charge of the medical examinations for the Shell people# Bevan did not know that we have & taadieaX consultant in Venezuela and* therefore, asked me to write Dr, van Tienhoven* giving hlra the necessary information and ~ S~ Instructions* 2 m not doing that at this time since 1 think it will be simpler for yon to ea$>lain to him and to his people that we have a radical consultant who will be in position to discuss with him, if ho v/lahes, all of the natters which are concerned with this problem, 2 should appreciate it* therefore, if you would make it a point to see that Dr* van TIsnhoven la informed of our arrongeiMmta, If then he wishes to write mo tor inform nation, 2 shall bo more than pleased to send him every thing which we have* thanks very ouch for your information about Dr Crut Coke*a presence In the United states# 2 called on him when 2 was in $ew Xork last week and had a very pleasant conversation with him# end have arranged that he visit us at the Laboratory m nom as it la convenient for hln to do so* Vie will spend a day or two with his and will bring him up to date on tha hygienic aspects of our work* I m glad Indeed to have direct contact with him since it will be quite useful to ' have one or two well informed sen in South Emories* . ...... 2n the above connection Dr* Fourcher fro the Taler* ref.Inery, -who is In this country for a time, visited us and spent two or three days with ua, going over the whole subject of the hasards of blending and the public health aspects of tine distribution of leaded gasoline* Dr.

* Instructions* 2 m not doing that at this time since 1 think it will be simpler for you to es^lain to him and to his people that we have a medical consultant who will be in position to discuss with him* if he wishes* all of the matters which are concerned with this problem, 2 should appreciate it* therefore* if you would make it a point to see that Or* van tlsnhoven is informed of our arrangeirunta* If then he wishes to write me for infer** nation* 2 shall bo more than pleased to send him every thing which we have* thanks very ouch for your informatics about hr* Crua Coke*a presence in the United states* X called on him when I was in $ew 2ork last week and had a very pleasant conversation with him, end have arranged that he visit uo at the Laboratory as soon as it is convenient for hiw to do so* We will spend t% day or two with his and will bring his up to date on the hygienic aspects of our work* I as glad indeed'to have direct contact with him since it will be quite useful to ' have one or two well informed sen in South Emories* In the above connection Dr* Fouroher froia the TaXara ref.lnory* -who Is In this country for a time* visited ue and apont two or three days with uo* going over the whole subject of the hasords of blending and the public health aspects of the distribution of leaded gasoline* hr.

Asphalt paints are making inroads in the structural iron field where they com pete with red lead and oil.