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 29
, cut the lines DMand EN, as at M and N, with M and N as centres; describe thearcs BC and AI; also, the arcs EF and DH ; set off BC and AIequal to BC, in fig. 11; draw the lines HI and FC, cutting thecentres M and N. Draw the lines FG and CL at right angle teFN ; also, the line KH and JI at right… … f 1- V - J YOR DESCRIBING PATTERNS. 21 OVAL. To describe a Pattern for a Tapering Oval or Oblong article^ the sides to be Straight, one end tobe a Semi-circle, the other end to be Straight loithquarter Circle Corners, to be in Two Sections. Describe the bottom, the length and breadth required as in…
Metal-work · Workshop recipes
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
