Lead ScSmelting Co.).

Air of proper warmth may, for in stance, contain excessive water vapor, and in this way interfere with the normal physiologic loss of moisture from the skin, leading to damp skin and clothing and producing more or less discomfort; or the air may be excessively dry, producing appreciable discomfort to the mucous mem brane of the nose and to the skin which dries up and becomes chapped' from too rapid loss of moisture.

Optimum Humidity Just what the optimum range of humidity is, is a matter of conjecture/ There seems to exist a general opinion, supported by some experimental and statistical data, that warm, dry air is less pleasant than air of a moderate humidity, and that it dries up the mucous membranes in such a way as to increase susceptibility to colds and other respiratory dis orders 37, ** 39' Owing to the cooling effect of evaporation, higher tem peratures are necessary, and this condition may lead to discomfort and lassitude.

SUPPLIERS' ADVERTISING SECTION The latest descriptive product informa/ tioo presented by the leading members ^ . .of the Railway Supply Industry.

Reh oe; - Se v e r a l months ago I h ad t h e p le a su r e o f m eet in g you in Bat on Rouge when we w er e o v e r t h e r e t o t e s t i f y in r e g a r d to lead poison in g in con n ection w ith Eth yl gaso lin e * We h ave j u s t h ad t h i s q u e s t i o n come u p a n d I w o u ld l i k e t o know w h eth er or n ot you t h in k i t i s p o ssi b l e f o r t h e t h i n g w h ich i s c l a i m e d t o h av e h a p p e n e d .

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

., Chicago, 111................................... 1012-1013 Eagle-Picher Lead Company, The, Temple Bar Bldg., Cincinnati, Ohio--.......... ....... 941 Ehret Magnesia Manufacturing Co., Valley Forge, Pa...... ....................................... 946 Electric Air Heater Company, Division of the American Foundry Equipment Co., 677 Byrkit St., Mishawaka, Ind......................... ........... .......... ....................... 910 Electrol Incorporated, 934 Main Ave., Clifton, N.

Desirable Inside Conditions in Summer Corresponding to Outside Temperatures3 Occupancy Over 40 Min moderate humidity, and that it dries up the mucous membranes in such a way as to increase susceptibility to colds and other respiratory dis orders " 38, 39- Owing to the cooling effect of evaporation, higher tem Outbids Dbt-Bulb Deo F Effective Temperature AmInside Conditions Dry-Bulb Deg F Wet-Bulb Deg F Dew-Point Deg F Relative Humid ity Per Cent peratures are necessary, and this condition may lead to discomfort and lassitude.

It states that due to Improved methods of manufacture we have decreased the alkali content so that the material will not be dangerous to lead sheathed cables, provided ducts are well drained This reference to drainage is in no way a restriction because all power company engineers, as well as telephone oompany engineers, recognize that all ducts should be drained.

You have the minutes and note the disposition of the item relative to "Health Protection in Sand Blasting and Metallic Abrasive Cleaning," I hope and think that your keen insight into affairs will lead you to judge that this solution will be generally acceptable and for the best inter ests of the Council.

To manufacturers whose products are used in residential air conditioning, AMERICAN ARTISAN offers full cover age of the leading buying factors.

I doubt if the hazard is sufficient to justify warning pcstsrs as night be used where lead, benzol or carton ronoxida arelrarned.

We h ave no r e aso n t o b e lie v e t h a t t h e se im p e r fe c t io n s may not be elim in ated , and in fa c t th ey have been in d ealin g w ith c e r t a in ty p es o f sam p les* However, where one i s d e a lin g w it h m a t e r i a l s wh ich may h ave been con t am in at ed , i t i s q u ite p o ssib le to obtain uneven r e su lt s sin ce the contam inant i 3 r a r e ly even ly d ist r ib u t e d th rough th e m aterial* I am su r e t h a t i f we co u ld b e o f any se r v ic e to you in makin g an o c c a sio n a l a n a ly sis of e it h e r t i s s u e s o r e x c r e t a , we sh o u ld b e h appy t o do so * O b v io u sly we do n o t make i t a p o in t t o c a r r y on an y c o n sid e r a b le burden o f r o u t in e work o f a d ia g n o st ic ch ar acter , but con sid erin g the d iffic u lt ie s of lead a n a l y se s, we a r e q u it e w i lli n g t o do them from tim e t o tim e u n der su i t a b l e c o n d it io n s* The g r e a t e st d i f f i c u l t y in th ese c a se s, h ow ever, is to ob tain m at e r ials th at have feeen so h an d led a s t o c e r t a i n l y av o id s l i g h t co n t am in at io n * C o r d ially you rs.

$15.12 Zr cution of sentence Jt will lead to de moralization of all standard* of law observance and enforcAnenb.

In a few outstanding instances the ground has been very well covered especially in the handling of certain lead compounds and benzol.