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 48
the longest sides of the base; make CD equalin length to one of the longest sides of the top, and draw thelines AG and EG, cutting the points AC and BD, G as a centre,with the radii GC and GA describe the arcs SO and PN ; set offQR, H.T and LN equal to AB ; set off PQ, KA, BII and JL equalin length… … 10 PEACTICAL ETJLES GUTTER MITER JOINTS. To describe a Pattern for a Miter Joint at Hightangles for a /Semicircle Gutter.
Metal-work · Workshop recipes
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
