1-3 of 3 Books

Notes on lead and copper smelting and copper converting
By Hiram W. Hixon
Monitoring and control of lead health risks at a Swedish smelter
Monitoring and control of lead health risks at a Swedish smelter
By Ivar Holmqvist
Walter B. Devereux v. Edward Wiggins and Carlos Baker
Walter B. Devereux v. Edward Wiggins and Carlos Baker
By Walter B. Devereux,Edward Wiggins,Carlos Baker,Willard Parker Butler,United States. Patent Office