Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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  • Date = 1921
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Armor plate contracts
Carnegie Steel Company
The continuous heat-treatment of metals with automatic and semi-automatic furnaces : a paper illustrating the practical applications of principles governing production of heat-treated products
Copper cap and base flashings
Eave trough conductor pipe, etc.
Flat seam sheet copper roofing and flashings
Forge furnaces
The heat-treatment of springs with stationary and continuous furnaces
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 Lorain Steel Company : switches, switch, stands, frogs, and crossings, steel and iron castings, bolts and nuts, mine cars
Material_handling_cyclopedia
Mesta gas blowing engines / Mesta Machine Company.
Mesta Una-Flow engines
Motor equipments for main drives of steel mills
Portable rivet heating furnace
The production of heat-treated products : a series of papers relating to principles governing industrial heating operations
Selection of fuels : a series of papers relating to the selection and use of fuels and equipment for industrial heating operations