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 42
f the top ;draw the lines AD and BE ; make CG equal to one-half the short-est side of the base, D and E as centres, with a radii equal to one-half the diflference of the top and the shortest side of the base,as from G to F; describe the arcs J and I; draw the right anglelines JAL and IBM ; set off… … J4 PRACTICAL EULES RECTANGLE BASE WITH A CIRCULAIlTOP. To describe a Pattern for a Tapering Article, theMase to he a Rectangle^ and the Top a Circle, to hein Two Sections. Erect the perpendicular line DO, fig 33 ; draw the line AB atright angle to DC; make CE equal to the Slant height, and drawthe…
Metal-work · Workshop recipes
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