Orton Cones: Small Cones - 017 Construction Clay / Baseball Field Clay / Horse Stall Clay The special cement that is

The special cement that is used by itself and with the grout is a phosphorous based cement

49611J3EGA * Base Model

The top shelf also has four pre-drilled holes to accommodate the brent® Mini Slab Roller (see image above)

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Orton Cones: Small Cones - 017 Construction Clay / Baseball Field Clay / Horse Stall Clay The special cement that isORTON SMALL CONES 017 : 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