The low incidence of lead intoxication among miners of galena (lead sulphide) is probably due to the very low solubility of lead sulphide In the tissue of the lungs.

The resulting lead realduea then vere analyzed by a meet spectrometer vblch separated the varloua laotope* of lead end disclosed the proportion of apeclal tracer lead to sea vater lead is each aasple.

Hippocrates described colic in a lead worker.

The estimated quantity of lead going up this chimney is 200 pounds per day, and as the furnace is in operation about 3A0 days a year it would seem that approximately 30 tons of lead per annum are deposited over tee countryside.

The cages were first tested as to their lead-free character by using lead free animals as controls.

But in paint, lead in the form the most complete story of white-lead, the basic lead carbonate, of lead and its many uses and red-lead, a lead oxide, is known is "Lead, the Precious the world over.

Joseph Lead Co.

Joseph Lead Co.

Joseph Lead Co.

Joseph Lead Co.

Joseph Lead Co.

, 5 A The market on pig lead is uniform, yes. 6 0 Han you state what lead pigments the National Lead i !

I,LEAD.

A major use of lead, one finds, is in lead pencils.

- AM Lead Industries is soelation t?