Pyrometric Cones

19 August 2011

These curious looking cones are new arrivals at the Materials Library. Once used as a method for measuring temperatures inside a furnace, each cone melts at different temperature - thus providing a visual indicator during the firing of ceramics. In this example, the cones - each fired at 1300C - began melting at 1200C, 1250C and 1300C (from right to left in the image).

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