Paint--2 coats Asphaltic paint on plywood Aluminum in varnish on wood Enamels, brushed on smooth plaster Pnmert or Sealers on insulating wall board Various Primers -f- 1 coat flat paint on plaster ht paint (alone) on insulating wall board Water Emulsions on insulating wall board * wl-MT--Exterior, 3 coats White lead A oil prepared paint on wood siding White lead-sine oxide A linseed oil on wood .

One of the most effective protective coatings is red lead paint.

hex = local unit thermal convective, conductance, at the position x from the leading edge of surface, Btu per.

A attention in 1936 to X Clinical examination of apparently in good healt findings and follow many years have shown may even regress and d It would seem that th welding causes no harm described as occurring iron Sometimes how involving exposure to b example in foundries | to a silicotic reaction Dusts Causing Inflamm The dusts arising fror vanadium osmium or seats 7 ent of | sags largely as a _ markedly and the | quarrying of silica- types of refractory | the metal founding ries and occupations action on the lung "considered to be y the small sharp iew that crystalline resulguhr A more ut by liberation of Que and cell fluids by a concentration ed silica particles ; rmed in the lungs increasingly used cles which remain ng experiments to have been in the are known The ation and clearly __ These particles be produced in nd iron in fibrous n of long sharp uns of asbestosis re very different ich may lead to cen less evidently re is moreover cosis and lung s a mechanical | bined form do to that caused r silicate dusts e best known e occurring in The flat plate is widely used Eling industries Although earlier fatal cases of had been described the first pneumoconiosis due to talc dust exposure case in Great Britain to be examination was described by Dr.

American Standard Allowable Concentration of Harmful Gases: Carbon Monoxide Hydrogen Sulfide Carbon Disulfide Benzene Manganese Chromic Acid and Chromates Mercury Xylene Lead and Certain Inorganic Lead Compounds Toluene Oxides of Nitrogen Methanol Styrene Monomer Formaldehyde Carbon Tetrachloride Methyl Chloride Trichloroethylene Standard for the Construction and Protection of Aircraft Hangars (1954).

The lead and manganese content of "33 Mix" is proportioned- to pro vide greatest average flexibility and most economical use of manganese in the enhancement of TEL effectiveness.

*4 M 1M >M 6 4 JW MH 1H >H 5 1W H% 2 6 1H MH m M* 8 *4 31 10 m 1 >Ho ` 3H IMe 12 lH * Oii^nmon shown is the normal tight-fit thread engagement from the leading edge of the female thread oack to the leading edge of the male thread.

.f LEAD INDUSTRIES ASSOCIATION J 4M LEXINOTON AVCMO* mm vomc 17, H, V.

Euston White Lead In Oil in trad* paokages] 100, 50, 25, and 12 1/2. lb, kegs* - ----------------------- -------- AcoovKl of the Biddle Purchasing Company generally located In the Eastern section of the United States* Ths attached list, dated March 15, 1952 includes aotlve accounts so of that date* Additional account* may be added as agreod tc by the company* EXCLUSIVE It is understood that ths Agent will not solicit orders for any RKPRKSByTATIOH!

EXHIBITORS Comprise leading firms in each phase of the industry; number has varied from 150 to more than 400 exhibi tors.

For this country we have instituted a practice which I think is a fairly sound one; namely we have had made a number of metal plates bearing the words "ETHYL PETROL ' Observe special cleaning regulations." and the oil companies have fixed these plates to their tanks which have been used for blending or storing leaded gasoline.

Equipped with 2-in. lead coils wooden lead covered gate-type agitator, post and cover.

CMA 066919 (41) (b) National Lead Company.

Old page 72 - New page 1*7 Under 1910 add: White lead manufacture begun in Chicago.

Joat 1, 1958 SUBJCCTt TWELFTH AHHOAI &TTECT RESEARCH AKD UETCLOFMEOT CCKFSHEKCE To Wenber* of th Lead Industrie* Association!