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 57
46 METAL-PLATE WORK. CHAPTEE V. Equal-tapering Bodies of which Top and Base are Parallel, and their Plans. (21.) First let us understand what a plan is. Fig. 19 represents an object Z, made of tin, say, having six faces, Fig. 19. … of which the A B C D and G H K L faces are parallel, as also the BDKH and CALG. The ABC D and CD KL faces are square. The A B 0 D face has, soldered flat on it centrally, a smaller square of tin ahcd with a central
Plating · Metallurgy
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