In 1915, a department was established for the commercial production of Seger cones used to measure and control the temperatures of ceramic furnaces, based upon research completed by the principal, Joseph Mellor.
2.
The modern form of the pyrometric cone was developed by Hermann Seger and first used to control the firing of porcelain wares at the " K�nigliche Porzellanmanufaktur " ( Royal Porcelain Works ) in Berlin, in 1886 . " Seger cones " are to this day made by a small number of companies and the term is often used as a synonym for " pyrometric cones ".
3.
The modern form of the pyrometric cone was developed by the German ceramics technologist Hermann Seger and first used to control the firing of porcelain wares at the " K�nigliche Porzellanmanufaktur " ( Royal Porcelain Works ) in Berlin, in 1886 . " Seger cones " are still made by a small number of companies and the term is often used as a synonym for " pyrometric cones ".
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