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 75
lant. Draw the plan of the bottom, A' D' B' C',find the distance between the plans of corresponding points of top and bottom, set this off outwards from A', D', B', and C and complete the plan by aid of what has already been stated. PEOBLEM XVIII. To draw the plan of an oval equal-tapering hody… … to half the given length of the larger oval (top or bottom, as may be), and 0 C and 0 D each equal to half its given width. A B and C D will be the axes of the oval. From A, on A B,
Plating · Metallurgy
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