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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 207

An illustration from 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, leaf 207
196 METAL-PLATE WORK. as radius describe arc /' cutting S F in F'. With same centre and S E' (Fig. 70) as radius describe an are e' cutting S E in E', and witb same centre and S D' (Fig. 70) as radius describe arc d' cutting S D in D'. With same centre and S A" (Fig. 70) as radius describe arc a',… … S Q B, and Q A (Fig. 71) successively as radii describe arcs c, b, and a. With D as centre and d c (Fig. 71) as radii describe an arc cutting arc c in C, and with C as centre and same radius describe an arc cutting arc b in B. Similarly with same radius and B as centre find point A. Join A A'.…

Plating · Metallurgy

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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