International Lead Conference.

They will again deal with lead roofing and flashing, end lead plumbing and water-proofing. 51.

lead-containing substances.

Kehoe states that a study of blood and urine content of lead can insure freedom from lead intoxication.

The lead must be thoroughly washed to take out the acetic acid which remains in the lead from the process of corrosion.

Especial interest has been manifest in substitutes for lead and in use of less soluble lead compounds, for example, intro duction of fritted glazes containing-lead in the form of lead sili cate in place of glazes containing more readily soluble lead com pounds in the pottery industry (7).

They will again deal with lead roofing and flashing, end lead plumbing and water-proofing. 51.

A composite lead chromate lead silicate pig ment consisting

For from lead comes the most widely used white pigment of all-- white lead.

CO., WIDENER BUILDING, PHILADELPHIA Sheet Lead and Lead Pipe PRODUCTS Antimonial SheetLead Chemical Slieet Lead Crawlproof (Reinforced) Sheet Lead Tellurium `Sheet Lead Antimonial Lead Pipe Chemical Lead Pipe Tellurium Lead Pipe '' Other products of National Lead.

Joseph Lead Co.

Evans Lead Co.

A reprint "Summary of Notes on Lead Roofing" describing the use of hard lead is available on request to the Lead Industries Associati

Lead presses which automatically sheath the wires in lead made this method obsolete shortly before 1900.

The architects chose lead.