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 73
oints draw lines par-allel to BE ; make BE equal to BC ; make AD and CF equal toAF ; also, each of the parallel lines bearing the same figures as11, 22, 33, &c. ; then a line traced through the points will formthe pattern. Edges to be allowed. Patterns for Elbows may be described at any angle,… … Ma3 7 a ^m Let ABCD, fig. 68, be the given Elbow ; draw the line AB atright angle to BF ; draw the line EF ; describe the semicircleAGB ; divide the semicircle AGB into any number of equal parts;from the points draw lines parallel to BF, as 1, 2, 8, &c. FOR DESCRIBING PATTERNS. 65 Fig. 64. cc…
Metal-work · Workshop recipes
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
