The metal worker's handy-book of receipts and processes : being a collection of chemical formulas and practical manipulations for the working of all the metals and alloys including the decoration and beautifying of articles manufactured therefrom, as well as their preservation (1890)
Brannt, William T. (William Theodore), 1844- · Philadelphia : H. Carey Baird & Co. ; London : Sampson Low, Marston, Searle & Rivington · leaf 223
red a bevel wheel i, by means of which the entire mould is revolved, whilst the rose e remains stationary. Preparation of Chills for Casting Metal. — To obtain a dense casting in chills, the mould previously made hand-warm is smeared over with old lard and then dusted with soap-stone powder. By… … Fig. 6. Painting and Varnishing Patterns. — As a precaution against defects in the wood, and also as a preservative for the patterns, they are usually coated with varnish or oil paint. Thus their capillary attraction is lessened and their surfaces made smooth and glossy. There is nothing better for…
Metal-work · Metals
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
