Polyvinylchloride varying in molecular weight from 45,000; 70,000 to 105,000 stabilized with one percent of lead stearate was used.

Under c e r ta in c o n d itio n s o f o p e ra tio n o f sin g le c y l in d er engines, th e presence of iro n in the fu el leads to q u ite d e fin ite in crease in ra te of wear whereas in cars on th e road th e sm aller con c e n tr a tio n s o f ir o n in w hich th e p re s e n t i n t e r e s t c e n te rs seem to have l i t t l e e f f e c t on w e a r.

Hepatic micro- circulatory changes leading to portal hypertension.

Al l ot her pr oduct s woul d be pr epar ed by t r ansf er r i ng t he r equi r ed quant i t i es; of 90 Oct ane gasol i ne and base st ock t o t he smal l t anks. b) I t woul d be possi bl e f or you t o use 55 gal s. dr pr as of Et hyl Fl ui d cont ai ni ng 130, 000 c. c. of Tet r aet hyl Lead i nst ead of 10 gal s>dr ums con t ai ni ng 20, 000 c. c.

The g r e a te s t d u st r i s k occurs in th e g rin d in g o f n a tu r a l g ra p h ite , fo r which evidence is p resen ted to show t h a t t h i s can lead to

Examination under high magnification after lead staining shows dark granular patches with incipient crystallisations or impregnating crystalline masses in the course of growth

DSW 344081 . of Stockholm, detected the man-made chemical compounds in California waters, cod in the Baltic Sea.

Oct...12-13* * Pencils, colored leads for, and colored..:.. .Aug...24, 31* Phonograph needles....... ............................ .Dec...22-23* Phonograph records, rated in each issue* Photographic equipment, film........................

Dublin has pointed economic factors were dominant the tuberculosis mortality rates for both husbands and wives were similarly affected; where industrial factors played a leading role the standardized mortality rates for the husbands greatly exceeded that of the Through the courtesy of the Demographer of the Provincial Ministry of Health and Social Welfare, Dr.

Polyvinylchloride varying in molecular weight from 45,000; JO,000 to 105,000 stabilized with one percent of lead stearate was used.

., New Students lead busy, active lives, with many recreations pro-' vided by the school.

The greatest dust risk occurs in the grinding of natural grephite, for which evidence is presented to show that this can lead to Industrial Hygiene Digest - 18 August, 19fo 875 Research on the Development of Silicosis Following Cessation of Exposure to Dangerous PustT Vera Grelnacker-Oristofarl and F.

,y Tuewft'toili flCKTAtl *Y frt'Oy -- If the industrial exposure'Is a significant factor in exacerbating or ocoelerating tuberculosis one would expect to find a significant difference in males over 25 years of i /UjU, att'tf ytt if jiftL'i+ff, twin , age since, in Thetford lllnesf^this part of the populationj[aeeBjiSete_yiij `fhti"ty Inrit vtahiel i Memeaimr sinrta $ocio-eoonomio factors are also significant in relation to tubercnlosl^Mm^'ttxaparlson of the tuberculosis mortality rates in Thetford (lines pith communities In the Province of like size, medical and public health facilities, soc,io-econom.ic and. rac.ia,l o,horacterlstlos ia Important.tublin has nointad out that _ where socio-economic factors were dominant the tuberculosife mortality rates fur both husbands end wives ware similarly affected; where industrial factors played a leading rolethe standardized mortality rates for the husbands greatly exceeded that of the wives.

Consideration of the above leads us to believe that the following recommendations as to the future varnish program are in order. 1,.

4f* .gL: One of ..e of cur* imVctious :;*t)Locc<* i tamilic-' i t HI iru Case Reports ASBESTOSIS ASSOCIATED WITH BRONCHOGENIC CARCINOMA oOCA^\ EDS".ROGER STOLL, M.D.