File: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 (14597697109).jpg

Identifier: practicalworksho00blin (find matches)
Title: 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.
Year: 1876 (1870s)
Authors: Blinn, Leroy J
Subjects: Metal-work Workshop recipes
Publisher: Philadelphia : Henry Carey Baird & Co.
Contributing Library: Getty Research Institute
Digitizing Sponsor: Sloan Foundation

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Text Appearing Before Image:
s AI; erect theperpendicular line HF; let ABCDEFJ be the given top or cover ;divide the curved lines BC and EF into any number of equalpartrf ; from the points draw lines parallel to FH, as 1, 2, 3, &c.,H, 1, 2, 8, &c. Set off the line AF, fig. 46; draw the line GE at right angle toAF ; make AB equal to AB in fig. 45 ; make BC equal in lengthto the curved line BC ; divide BC into the same number of equaldistances, as in the curved line BC ; from the points draw linesparallel to GE ; make CD equal to CD, and DH equal to DE ;make HF equal to the curved line EF ; divide HF into the samenumber of equal distances, as in the curved line EF; from thepoints draw lines parallel to GE ; make AGAE and BIBJ equal toGA ; also, each of the parallel lines bearing the same figures as1, 2, 8, 4, 6, 6, 7, 8, 9, 10, 10, H, 1, 2, 8, 4, 5, 6; then a linetraced through the points will form the pattern. A Top may be described in any number of Sectiona by thisRule. FOR DESCRIBLNG PATTERNS.Fig. 45. 47
Text Appearing After Image:
Pig. 46

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