Plain Instructions : To Prepare and Preserve From Rust, Wrought Cast Iron Steel
George Johnson
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The Fire Assay : Of Gold, Silver, and Lead in Ores and Metallurgical Products
Leonard S. Austin
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Imperial Welding and Cutting Hand Book : Oxy-Acetylene, Oxy-Hydrogen, Carbon Burning
Imperial Brass Manufacturing Company
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Airco Welding of Locomotive Fireboxes
New York Air Reduction Sales Company
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Descriptions of Occupations : Boots and Shoes, Harness and Saddlery, Tanning
United States Bureau of Labor Statistics
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Heat Treatment of Steel : Hardening, Tempering, Case-Hardening
Harold Ralph Badger
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