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  2. Pyrometric cone - Wikipedia

    en.wikipedia.org/wiki/Pyrometric_cone

    Definition. The pyrometric cone is "A pyramid with a triangular base and of a defined shape and size; the "cone" is shaped from a carefully proportioned and uniformly mixed batch of ceramic materials so that when it is heated under stated conditions, it will bend due to softening, the tip of the cone becoming level with the base at a definitive ...

  3. Hermann Seger - Wikipedia

    en.wikipedia.org/wiki/Hermann_Seger

    Ceramicist. Known for. Pyrometric cones. Hermann Seger (1832–1893) was a German ceramicist who is widely credited with pioneering the development of the pyrometric cone, which enabled the rapid growth of the ceramic industry around the turn of the century.

  4. Pyrometric device - Wikipedia

    en.wikipedia.org/wiki/Pyrometric_device

    Pyrometric device. Pyrometric devices gauge heatwork (the combined effect of both time and temperature) when firing materials inside a kiln. Pyrometric devices do not measure temperature, but can report temperature equivalents. In principle, a pyrometric device relates the amount of heat work on ware to a measurable shrinkage or deformation of ...

  5. Cone - Wikipedia

    en.wikipedia.org/wiki/Cone

    3D model of a cone. A cone is a three-dimensional geometric shape that tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex. A cone is formed by a set of line segments, half-lines, or lines connecting a common point, the apex, to all of the points on a base that is in a plane that ...

  6. Orton Ceramic Foundation - Wikipedia

    en.wikipedia.org/wiki/Orton_Ceramic_Foundation

    The roots of the Orton Ceramic Foundation date back to the establishment of the "Standard Pyrometric Cone Company" in 1896 by Edward J. Orton, Jr. In 1894, he was appointed the first Chairman of the Ceramic Engineering Department at Ohio State University, the first ceramic engineering school in the United States. Orton died in 1932. In ...

  7. Lambert conformal conic projection - Wikipedia

    en.wikipedia.org/wiki/Lambert_conformal_conic...

    A Lambert conformal conic projection (LCC) is a conic map projection used for aeronautical charts, portions of the State Plane Coordinate System, and many national and regional mapping systems. It is one of seven projections introduced by Johann Heinrich Lambert in his 1772 publication Anmerkungen und Zusätze zur Entwerfung der Land- und ...

  8. Marsh funnel - Wikipedia

    en.wikipedia.org/wiki/Marsh_funnel

    The Marsh Funnel. Based on a method published in 1931 by H.N.Marsh, [1] a Marsh cone is a flow cone with an aspect ratio of 2:1 and a working volume of at least a litre. A Marsh funnel is a Marsh cone with a particular orifice and a working volume of 1.5 litres. It consists of a cone 6 inches (152 mm) across and 12 inches in height (305 mm) to ...

  9. Glossary of pottery terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_pottery_terms

    Pottery is also: (1) the art and wares made by potters; (2) a ceramic material (3) a place where pottery wares are made; and (4) the business of the potter. (W) Published definitions of Pottery include: -- "All fired ceramic wares that contain clay when formed, except technical, structural, and refractory products."