Carnegie Library of Pittsburgh - Pittsburgh Iron & Steel Heritage

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Better welds with Armco Ingot Iron.
Blaw buckets / Blaw Steel Construction Co.
The Blaw-Ransomixer.
Blue Annealed Armco-Ingot Iron for long service.
Brass annealing furnaces, coal and wood fired.
Bright annealing furnaces.
Cake and billet heating furnace.
Car and ball type annealing and heat treating furnaces.
Car type and car and ball type annealing and heat-treating furnaces.
Car-type annealing furnace.
Carnegie special welding steel and Carnegie special threading steel.
The development and service of ARMCO Ingot Iron.
Handbook on galvanized iron for cornices, marquises and skylights
Mesta auxiliary equipment for rolling mills
Mesta barometric condensers / Mesta Machine Company.
Mesta blowing engines : new valve for blowing engines (Iversen patent)
Mesta gas blowing engines / Mesta Machine Company.
Mesta improved pickling machines (patented and patents pending)
Mesta_plant_and_product_1919
Plant and product of the Mesta Machine Company : Pittsburgh, Pa., U. S. A.