Lead poisoning, from the industrial, medical, and social points of view : lectures delivered at the Royal institute of Public Health / by Sir Thomas Oliver.

Thomas Oliver

Date:: 1914

Credit: Lead poisoning, from the industrial, medical, and social points of view : lectures delivered at the Royal institute of Public Health / by Sir Thomas Oliver. Source: Wellcome Collection.

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$SCHEDULE. Part I.—Lead Processes. * (a) Making or mixing of frits, glazes, or colours containing lead. * (b) Dipping or other process carried on in the dipping house. * (c) Application of majolica, or other glaze, by blowing, painting, or any other process except dipping, * (d) Drying after the application of glaze by dipping, blow- ing, painting, or other process. * (e) Ware cleaning after the application of glaze by dipping, blowing, painting, or other process. * (/) Placing of ware on cranks or similar articles prior to their transfer to saggers or kilns for the glost firing. * (g) Glost placing. + (Ji) Washing of saggers with a wash which yields to dilute hydrochloric acid more than five per cent, of its dry weight of a soluble lead compound calculated as lead monoxide when determined in the manner described in the definition of low solubility glaze. + (A) Preparation, or weighing-out, olflow material. + (l) Ground laying, including the wiping off of colour after this process. { whether on - glaze or under - glaze, t (m) Colour dusting \ jnc]U(jing the wiping off of colour + (») Colour blowing ( after either of these processes. + (o) Colour grinding for colour blowers. + (p) Lithographic transfer making. X (q) Any other process in which materials containing lead are used or handled in the dry state, or in the form of spray, or in suspension in liquid other than oil or similar medium, pro vided that the stopping of biscuit ware with a material containing lead shall not be deemed to be a process included in this Schedule. Part II.—Other Processes. + (r) Scouring of biscuit ware which has been fired in powdered flint. . + (s) Emptying of biscuit ware which has been fired in powdered flint, from the baskets or other receptacles in which it has been conveyed to the biscuit warehouse or scouring shop.$