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  2. Harbison-Walker Refractories Company - Wikipedia

    en.wikipedia.org/wiki/Harbison-Walker...

    March 20, 1990. The Harbison-Walker Refractories Company is a national historic district and historic refractory brick manufacturing complex which is located in Mount Union in Huntingdon County, Pennsylvania. It originated as the Star Firebrick Company on March 7, 1865, with Articles of Association by a group of Pittsburgh and Allegheny residents.

  3. Exchange Street Historic District (Attica, New York) - Wikipedia

    en.wikipedia.org/wiki/Exchange_Street_Historic...

    November 21, 2012. Exchange Street Historic District is a national historic district located at Attica in Wyoming County, New York. The district encompasses 12 contributing buildings along two blocks in the village of Attica. They are two- and three-story, brick and frame commercial buildings built after the fire of 1877.

  4. Ontario Heritage Square - Wikipedia

    en.wikipedia.org/wiki/Ontario_Heritage_Square

    Area. 30 acres (12 ha) NRHP reference No. 74001317 [1] Added to NRHP. June 05, 1974. Ontario Heritage Square, officially known as Heritage Square Museum, is a museum in Ontario, New York in Wayne County, New York. It is located at the site of the Brick Church Corners, a historic district listed on the National Register of Historic Places in 1973.

  5. Fire brick - Wikipedia

    en.wikipedia.org/wiki/Fire_brick

    Fire brick. Refractory bricks in a torpedo car used for hauling molten iron. A fire brick, firebrick, fireclay brick, or refractory brick is a block of ceramic material used in lining furnaces, kilns, fireboxes, and fireplaces. A refractory brick is built primarily to withstand high temperature, but will also usually have a low thermal ...

  6. Smith Observatory and Dr. William R. Brooks House - Wikipedia

    en.wikipedia.org/wiki/Smith_Observatory_and_Dr...

    April 11, 2008. Smith Observatory and Dr. William R. Brooks House is a historic home and observatory located at Geneva in Ontario County, New York. Both structures were built in 1888. The observatory is a small frame building consisting of a two-story tower flanked by two small wings. The tower contains a 10-inch refracting telescope by Warner ...

  7. Powell & Minnock Brick Company - Wikipedia

    en.wikipedia.org/wiki/Powell_&_Minnock_Brick_Company

    The Powell & Minnock Brick Company was founded in the late 1880s by members of the Powell and Minnock Families. The company closed down in 2001. In 2006, the company's Coeymans, New York site was used for assembly of the 145th Street Bridge 's new swing span. The company's site is located to the immediate south of the Lafarge cement plant ...

  8. J. Hallett and Son - Wikipedia

    en.wikipedia.org/wiki/J._Hallett_and_Son

    J. Hallett and Son, founded in 1904, was for most of the 20th century South Australia 's most important brickmaking firm. Founded by Job H. Hallett in 1889, his son Thomas Hallett became a partner in 1904. There were several sites across Adelaide 's western suburbs, with Halletts retaining their identity until the 1960s, when the company was ...

  9. Periclase - Wikipedia

    en.wikipedia.org/wiki/Periclase

    Periclase. Fluorescent, long UV=light yellow. Periclase is a magnesium mineral that occurs naturally in contact metamorphic rocks and is a major component of most basic refractory bricks. It is a cubic form of magnesium oxide (Mg O). In nature it usually forms a solid solution with wüstite (FeO) and is then referred to as ferropericlase or ...