Welcome to the Pennsylvania Iron Furnace Index O !
Wharton Furnace Index O   Iron Furnace Name Index
Pennsylvania Iron Furnace Source Book        
by Raymond A. Washlaski & Ryan P. Washlaski
A Publication of The 19th Century Society

Updated July 12, 1999            (This site is still underconstruction, please bear with us.)
Pennsylvania Iron Furnaces & Iron Works
Every Name Index:

                          O

Oak Grove, West,oreland Co., PA,
         See: Oak Grove Furnace, Westmoreland Co.
Oak Grove Furnace (ca.1830-1843), Perry Co.
          See: Charlotte Furnace, Perry Co.
Oak Grove Furnace (ca.1854-1858), Westmoreland Co.
Oak Hill, Lancaster Co., PA,
          See: Pine Grove Forge, Lancaster Co.
                 Pine Grove Rolling Mill, Lancaster Co.
                 White Rock Forge, Lancaster Co.
Oakdale, Dauphin Co., PA,
          See: Oakdale Forge, Dauphin Co.
Oakdale Forge (ca.1830-   ), Dauphin Co.
Oakland, Armstrong Co., PA,
          See: Mahoning Furnace, Armstrong Co.
Oblinger, Carl (Author)
           See: Cited References
Octoraro Forge (ca.1800-   ),Lancaster Co.
Octoraro Rolling Mill (ca.1800-   ),  Lancaster Co.
           See: Octoraro Forge (ca.1800-   ), Lancaster Co.
Odree,
           Daniel:  See: Oley Forges, Berks Co.
           See also: Udee
Offley,
           Daniel:   See: Offley's Anchor Forge, Philadelphia Co.
Offley's Anchor Forge, Philadelphia Co.
Ohl,
           See: Wheatland Furnaces, Mercer Co.
           See also: Herron, Ohl & Company
Ohler,
           William:    See: Licking Furnace, Clarion Co.
Ohler, Seigworth & Company, Clarion Co.
           See: Licking Furnace, Clarion Co.
Oil Creek Company Furnace, Venango Co.
            See: Oil Creek Furnace, Venango Co.
Oil Creek Foundry (ca.1824-   ), Venango Co.
            See: Oil Creek Furnace (ca.1825-1849), Venango Co.
Oil Creek Furnace (ca.1825-1849), Venango Co.
            See also: Clay Furnace, Venango Co.
Oilphant,
            F.H.:   See: Oliphant Furnace, Fayette Co.
            See also: Oliphant
Old,
            James:   See: Poole Forge, Lancaster Co.
Old Forge, Franklin Co.
Old Fort Iron Works (ca.1873-   ), Fayette Co.
Old Laurel Furnace, Fayette Co.
            See: Laurel Furnace (Old), Fayette Co.
Old Oley Furnace (ca.1760/1770-   ), Berks Co.
            See also: Maiden Creek Forge, Berks Co.
                           Mt. Laurel Furnace, Berks Co.
                           Oley Forge (ca.1744-   ), Berks Co.
Old Rolling Mill, Franklin Co.
Old Sable Works (ca.1809-   ), Delaware Co.
             See: Sable Iron Works, Delaware Co.
Oldham's Furnace, Somerset Co.
             See: Rockingham Furnace, Somerset Co.
Oley Forge (ca.1744-   ), Berks Co.
             See also: Old Oley Furnace, Berks Co.
Oley Forges (ca.1780-   ), Berks Co.
             See also: Oley Furnace (ca.1835-   ), Berks Co.
Oley Furnace (ca.1760/1770-   ), Berks Co.
             See: Old Oley Furnace, Berks Co.
Oley Furnace (ca.1835-   ), Berks Co.
             See also: Oley Forges (ca.1780-   ), Berks Co.
Oliphant,
             Duncan:   See: Oliphant Furnace, Fayette Co.
             F.H.:   See: Oliphant Furnace, Fayette Co.
             H.:   See: Oliphant Furnace, Fayette Co.
             J.H.:   See: Oliphant Furnace, Fayette Co.
             Mr., Sr.:   See: Mary Ann Furnace, Greene Co.
             R.C.:   See: Oliphant Furnace, Fayette Co.l
             See also: Oilphant
Oliphant, Fayette Co., PA,
             See: Oliphant Furnace, Fayette Co.
Oliphant Furnace (ca.1874-   ), Fayette Co.
Oliphant's Furnace (ca.1805-   ), Fayette Co.
             See: Fairchance Furnace (ca.1794-1887), Fayette Co.
Oliphant's Furnace (ca.1817-1827), Fayette Co.
             See: Fairfield Furnace (ca.1792-1827), Fayette Co.
Oliphant's Furnace (ca.1817-1827), Fayette Co.
             See: Springhill Furnace No.2 (ca.1805-   ), Fayette Co.
Oliphant's Furnace (ca.1855-1860), Fayette Co.
             See: Coolspring Furnace (ca.1816-1860), Fayette Co.
Oliphant's Iron Works (ca.1825-1831), Fayette Co.
             See: Lamb's Forge (ca.1800-1835), Fayette Co.
                    Little Falls Forge (ca.1800-1835), Fayette Co.
Oilphant's Iron Works, Fayette Co.
             See: Fairchance Furnace, Fayette Co.
Oliphant's New Furnace (ca.1874-   ), Fayette Co.
             See: Oliphant Furnace (ca.1874-   ), Fayette Co.
Oliphant's Works, Fayette Co.
             See: Fairchance Furnace, Fayette Co.
Olive Stove Works Foundry, Beaver Co.
Oliver,
             See: Monongahela & Allegheny Iron Works, Allegheny Co.
             See also: Lewis, Oliver & Phillips Company
Olney Furnace (ca.1847-1856), Armstrong Co.
Olyphant Furnace, Fayette Co.
             See: Oliphant Furnace, Fayette Co.
Onondaga Furnace, Lawrence Co.
             See: Onondago Furnace (ca.1874-   ), Lawrence Co.
Onondaga Iron Company, Lawrence Co.
             See: Onondago Furnace  (ca.1874-   ), Lawrence Co.
Onondago Furnace (ca.1874-   ), Lawrence Co.
Onondago Iron Company, Lawrence Co.
              See: Onondago Furnace (ca.1874-   ), Lawrence Co.
Onondago Iron and Coal Company, Lawrence Co.
              See: Onondago Furnace (ca.1874-   ), Lawrence Co.
Onondago Rolling Mill, Lawrence Co.
              See: Onondago Furnace (ca.1874-   ), Lawrence Co.
Orazaba Iron Works, Lawrence Co.
              See: Sophia Furnace, Lawrence Co.
Orbison,
               Thos. E.:    See: Malinda Furnace, Huntingdon Co.
Orbisonia, Huntingdon Co., PA,
              See: Malinda Furnace, Huntingdon Co.
                      Rock Hill Furnace, Huntingdon Co.
Orbisonia Furnace, Huntingdon Co.
              See: Rock Hill Furnace, Huntingdon Co.
Ore Hill Furnace (ca.1845-1857), Armstrong Co.
Oregon Furnace (ca.1845-1850), Mercer Co.
Oren, Waters Axe Factory, Allegheny Co.
Orizaba Iron Works, Lawrence Co.
              See: Sophia Furnace, Lawrence Co.
Orizaba Rolling Mill (ca.1847-   ), Lawrence Co.
              See: Sophia Furnace, Lawrence Co.
Orlady,
              Henry:   See: Petersburg Forge, Huntingdon Co.
              See also: Mc Cullough & Orlady Company
Orleans Furnace (ca.1845-1852), Venango Co.
              See: Valley Furnace, Venango Co.
Ormsby,
             J. W.:   See: Ormsby Furnace, Mercer Co.
             See also:    J.W. Ormsby & Sons Company
Ormsby, Fish & Trim Company,
             See: Ormsby Furnace, Mercer Co.
Ormsby Furnace (ca.1872-1876), Mercer Co.
Ormsby Furnace Company, Mercer Co.
              See: Ormsby Furnace (ca.1872-1876), Mercer Co.
Ormsby Iron Company, Mercer Co.
              See: Ormsby Furnace, Mercer Co.
Ormsby Iron Works (ca.1863-   ), Allegheny Co.
Orr,
              Hunter:   See: Pike Furnace, Clarion Co.
              See also:  Lansom, Duff & Orr Company
                              Lawson, Duff & Orr Company
Orr's Furnace, Clarion Co.
              See: Pike Furnace, Clarion Co.
Otis Iron Company (ca.1870-m  ), Mercer Co.
              See: Valley Furnace, Mercer Co.
Otto,
              Dr.:   See: Mount Hebron Forge, Schuylkill Co.
              J.B.:   See: Mount Hebron Forge, Schuylkill Co.
              John B.:   See: Mount Hebron Forge, Schuylkill Co.
Over,
              See: Catfish Furnace, Clarion Co.
Over & Lobaugh Company, Clarion Co.
              See:  Catfish Furnace, Clarion Co.
Over, Reichart & Lobaugh Company, Clarion Co.
              See: Catfish Furnace, Clarion Co.
Overman,
              Frederick:   See: Ramsey Furnace, Westmoreland Co.
              Frederick (Author):  See: Cited References
Oxford Forge (ca.1850-  ? ), Philadelphia Co.
              See also: Oxford Rolling Mill (ca.1842- ?  ), Philadelphia Co.
Oxford Iron & Steel Works (ca.1842- ?  ), Philadelphia Co.
              See also: Oxford Forge (ca.1850- ?  ), Philadelphia Co.
Oxford Rolling Mill (ca.1842-  ?  ), Philadelphia Co.
              See: Oxford Iron & Steel Works (ca.1842-   ), Philadelphia Co.
Oxford Steel & Iron Forge (ca.1842- ?  ), Philadelphia Co.
              See: Oxford Iron & Steel Works (ca.1842- ?  ), Philadelphia Co.

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Copyright 1999, All rights reserved, by Ryan P. Washlaski, &  Raymond A. Washlaski. The 19th Century Society.