Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Original Format = Trade Catalog
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Gears and rolling mill pinions
Handbook on galvanized iron for cornices, marquises and skylights
Heat treatment furnaces, car type and car and ball type
The heat-treatment of springs with stationary and continuous furnaces
Heating furnaces for billets, wire bars and cakes
Horizontal tubular stationary boilers : built on a factor of safety of five
Horse power chart for power transmission machinery : including gears, pulleys, rope wheels, etc.
Illustrated catalogue of locomotives and detail parts
Illustrations and description of steel forgings made by the Crucible Steel Forge Co.
Iron at its best
Kwikleen' air-tight blast gates
Laying batten or ribbed copper roofing and flashings
Laying flashings, valleys and ridging on slate, shingle and tile gable roofs
The "Lentz" engine
Light forging, tool dressing and heat-treating furnaces
Light locomotives
The Lorain Steel Company : switches, switch, stands, frogs, and crossings, steel and iron castings, bolts and nuts, mine cars
Louisiana Purchase Exposition, St. Louis, Missouri, 1904 : exhibit