Kiln Cones - Witness/Shelf

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Witness cones and shelf cones are essential tools for monitoring kiln firings and ensuring accurate temperature results. These small, heat-sensitive cones bend at specific temperatures, providing a visual indication of heatwork and helping potters determine whether a firing has reached the desired maturity.

Witness cones are typically placed inside the kiln to monitor the firing atmosphere and confirm that the correct cone temperature has been achieved. Shelf cones are placed on kiln shelves near ware to provide a clear reference during firing.

Used by ceramic artists, schools, and studios, cones help improve firing accuracy and consistency.

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