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 63
es AD, BE andCF; set off on each of BE, the same number of equal distances aain the semicircle ; from the points draw lines parallel to BE, a31, 1, 2, 2, &c. ; make AD, BE and CF equal to AC and BD; also,each of the parallel lines bearing the same figures as 1, 1, 2, 2,3, 3, &c., then a… … Lot CE, fig. 53, be the diameter of the collar, and AB the angle••cquired ; describe the semicircle CDE ; make CF and EII of equallength, with a radii equal to one-half the diameter of the largepipe ; describe the arc FIT ; divide the semicircle into any num-ber of equal parts ; from the points…
Metal-work · Workshop recipes
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
