J METHOD OF PRODUCING WHITE LEAD Ser**!

The wide discrepancy in the appreciation of the degree of asbestosis by different pathologists leads to confusion, especially before a compensation board.

H i s p r o g n o s i s i s , o f c o u r s e , s e r i o u s and i t has been assumed by h i r atto rn ey s th a t h is physical c o n d i t i o n i s due to h i s p o s s i b l e .lead a b s o r p t i o n . .

My associates and I had been working on the general problem of the toxicity of sulphur dioxide and certain other refrigerants since some time in 1927, We had also been studying the general problem of lead poisoning not only in its relationship to the hygienic problems of the Ethyl Ghsbline Corporation, hut also with respect to the total hygienic aspect of the use and distri bution of lead commodities.

Lead (590-680 deg. fahr.)--0.041 Sulphur (246-297 dM-tahr.)-- gg" Tin (460-660 deg. fahr.)----------- 0.058 Ebonite..

Again, common-sense tells us that the finer particles of lead are vastly more apt to be breathed than the larger.

The cold air intake or return where air is taken from within the building shall have a net area throughout its entire length of not less than the combined net area of all warm-air pipes leading from the furnace.

Such a cross connection is often a long time in being discovered and corrected and may lead to very interesting temperature-complications.

Underdrains leading to points of free discharge are placed in the gravel or crushed rock beds.

The wide discrepancy in the appreciation of the degree of asbestosis by different patholo'gists leads to confusion, especially before a compensation board.

The foregoing are some of the comparatively recent cases of injury alleged to be due to the effects of ethyl lead gasoline poisoning.

The wide discrepancy in the appreciation of the degree of asbestosis by different pathologists leads to confusion, especially before a compensation board.

\leads beyond the .lid through a mb ber co!

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.;;'; - Chemical analyses for' samples'of cirjsctH'i. asbestos from Quebec and .Arizona and of a leading grade of. .** V'tlcmaz'Ji Sil:ci *n P!