lapse of half an hour thebare arm is thrust intothe fluid mass and a vig-orous stirring is given.This breaks up thelumps, sets free thesmall stones and allowsthe clay to be cleansed.If much sand be founda system of washingmust be adopted. Theclay and water are wellstirred and allowed tosettle three… … CLAY WORKING FINISHING THE TOP If more sand needs to be removed the settling maybe for five minutes; but it must be borne in mindthat it is not wise to separate all the sand from theclay. A clay which has no sand in it is liable tocrack on drying, but as no two clays behave alikeexperience is the…
Art · Decoration and ornament
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
