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A practical workshop companion for tin, sheet iron and copper plate workers : containing rules for describing various kinds of patterns used by tin, sheet iron and copper plate workers : practical geometry, mensuration of surfaces and solids, tables of the weights of metals, lead pipe, etc., tables of areas and circumferences of circles : japans, varnishes, lackers, cements, compositions, etc., etc., etc. (1876)

Blinn, Leroy J · Philadelphia : Henry Carey Baird & Co. · leaf 17

An illustration from A practical workshop companion for tin, sheet iron and copper plate workers : containing rules for describing various kinds of patterns used by tin, sheet iron and copper plate workers : practical geometry, mensuration of surfaces and solids, tables of the weights of metals, lead pipe, etc., tables of areas and circumferences of circles : japans, varnishes, lackers, cements, compositions, etc., etc., etc., 1876, leaf 17
EF equal to EBF in fig. 5 ;draw the lines CE and DF, cutting the centre at B. Edges to be allowed. Fig. 6, make EF equal to CD in fig. 5 ; make GB equal to EF,and the taper required on a side, draw a line cutting the points 0and E, and the line BC. On any right line, as AB in fig. 7, with the radii… … Fig. 6.

Metal-work · Workshop recipes

Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.

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