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  2. Symbols and conventions used in welding documentation

    en.wikipedia.org/wiki/Symbols_and_conventions...

    The symbolic representation of a V weld of chamfered plates in a technical drawing. The symbols and conventions used in welding documentation are specified in national and international standards such as ISO 2553 Welded, brazed and soldered joints -- Symbolic representation on drawings and ISO 4063 Welding and allied processes -- Nomenclature of processes and reference numbers.

  3. Bradys Bend Iron Company Furnaces - Wikipedia

    en.wikipedia.org/wiki/Bradys_Bend_Iron_Company...

    Brady's Bend Iron Company Furnaces (also known as Brady's Bend Works) is a set of historic blast furnaces and rolling mill located in Brady's Bend Township, Armstrong County, Pennsylvania. The furnaces are constructed of stone, with the first blown into production in 1840. A second furnace was added in 1845.

  4. Armstrong World Industries - Wikipedia

    en.wikipedia.org/wiki/Armstrong_World_Industries

    In 2011, Armstrong's net sales were $2.86 billion, with operating income of $239.2 million. [17] Armstrong Cabinets was sold by Armstrong World Industries to American Industrial Partners on October 31, 2012. Armstrong spun off its flooring business into a new company, Armstrong Flooring (NYSE: AFI) on April 1, 2016.

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  6. Furnace (central heating) - Wikipedia

    en.wikipedia.org/wiki/Furnace_(central_heating)

    These furnaces were still big and bulky compared to modern furnaces, and had heavy-steel exteriors with bolt-on removable panels. Energy efficiency would range anywhere from just over 50% to upward of 65% AFUE. This style furnace still used large, masonry or brick chimneys for flues and was eventually designed to accommodate air-conditioning ...

  7. McCrea Furnace, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/McCrea_Furnace,_Pennsylvania

    Download as PDF; Printable version ... Armstrong: Township: Wayne: ... UTC-4 (EDT) ZIP code: 16222. GNIS feature ID: 1204130 [1] McCrea Furnace is an unincorporated ...

  8. Pine Furnace, Armstrong County, Pennsylvania - Wikipedia

    en.wikipedia.org/wiki/Pine_Furnace,_Armstrong...

    It was a hotblast, steam charcoal furnace, ten feet across the bosh-stack and thirty-three feet high. [2] It made its first pig-metal in July, 1846. [ 2 ] It used charcoal until 1863, when the height of the stack was increased to forty feet and the fixtures were improved; and then commenced making iron with coke in 1865. [ 2 ]

  9. Carrier Global - Wikipedia

    en.wikipedia.org/wiki/Carrier_Global

    Carrier Global Corporation is an American multinational heating, ventilation, and air conditioning (HVAC), refrigeration, and fire and security equipment corporation based in Palm Beach Gardens, Florida. Carrier was founded in 1915 as an independent company manufacturing and distributing HVAC systems, and has since expanded to include ...