Metal-plate work : its patterns and their geometry, also, notes on metals, and rules in mensuration for the use of tin, iron, and zinc plate workers, coppersmiths, boiler-makers, and others (1887)
Millis, C. T. (Charles Thomas) · London ; New York : E. & F.N. Spon · leaf 45
34 METAL-PLATE WOKK. base A H B K is a frustum of the cone. In other words a frustum of a right cone is a solid having circular ends, and of equal taper or inclination of slant eveiywhere between the ends. Conversely a round equally tapering body having top and base parallel is a frustum of a right… … that we are dealing with metals in sheet ; and that these patterns when formed up are not solids, but merely simulate solids. It is, however, a con- venience, and leads to no confusion to entirely disregard the distinction ; the method of expression referred to is therefore adopted throughout these…
Plating · Metallurgy
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