Orton Cones: Large Cones - 011 pottery wheel bats cover all or part of

cover all or part of the first color with a Step Two Overcoat

Vent System:Vent-Sure downdraft vent

very positive & secureStand Full support

Sheffield Z Moist Stoneware Clay 50Lb Box cone 6-10

Orton Cones: Large Cones - 011 pottery wheel bats cover all or part ofORTON LARGE CONES 011 : Box of 50 Orton cones, pyrometric cones or witness cones are for accurate kiln firing. Order online from Sheffield Pottery Ceramic Supply. Orton Pyrometric Cones for Ceramic Arts Pyrometric cones measure heat work (the effect of time and temperature). Orton Pyrometric cones are slender pyramids made from about 100 carefully controlled compositions. Each cone number is unique in measuring temperature within a small temperature