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 49
10 PEACTICAL ETJLES GUTTER MITER JOINTS. To describe a Pattern for a Miter Joint at Hightangles for a /Semicircle Gutter. … Pig. 37. D A10 9 8T 65432 IB Let the semi-circle ACB, fig. 36, be the breadth and depth of thegutter; draw the line AB; draw the lines AF and BE at right angleto AB ; draw the line DE parallel to AB ; make DF equal to AB,and draw the line FE; devide the semicircle into any number ofequal partsfrom…
Metal-work · Workshop recipes
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
