Home > Resources > Glossary > Definitions - C > Cone


Small pyramid of clay made to bend and melt at prescribed temperatures, providing a visual indication of the temperature in a kiln. Several cones with successively higher melting temperatures may be used at once to indicate the rising temperature in a kiln as it heats. Also known as a pyrometric cone.


  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z