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 231
220 METAL-PLATE WOEK. Draw separately D' D fJi g' (Fig. 87), the B'Bfhg' portion of Fig. 84, thus. Draw any line X X and with any point Q (to correspond with Q, Fig. 84) in it as centre and (same Fig. 87. … fig.) Q D (the D on the further side of A B) as radius describe an arc D h equal to D of Fig. 84. Make D Q' equal to D Q' (Fig. 84), and with Q' as centre and Q' D' (the further D', Fig. 84) as radius describe an arc D' g' equal to D' g' of Fig. 84.
Plating · Metallurgy
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