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 61
?.- A38765432 1 Q [ Z Z4 56 78 9c 52 PEACTICAL EULES PIPES To describe a Pattern for a T Pipe^ the Collar to heSmaller than the Main Pipe. Pig. 51. … AI2 3 4- 6 7 &q|OS Let the circle OH, fig. 51, equal the large pipe, AB, CD, theBranch or Collar; describe the semicircle AEB ; divide the semi-circle into any number of equal parts; from the points, drawlines parallel to AC, as 1, 2, 3, &c. FOB DESCRIBING PATTERNS. 53 Pig. 52. TC C9<M…
Metal-work · Workshop recipes
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
