The sheet-metal worker's guide : a practical handbook for tinsmiths, coppersmiths, zincworkers, etc., comprising numerous geometrical diagrams and working patterns, with descriptive text (1888)
Crane, W. J. E. (W. J. Eden) · London : Lockwood and Son · leaf 91
g and c l at right angles to f also the lines k h and j i at right angles to h m ; make c l and j l equal to one half of c d in Fig. 75 ; draw the lines k j and G L at right angles to k h and r g. Edges to be allowed. The taper to be equal on all sides. To describe a pattern for a tapering oval or… … Fig. 78. Fig. 79. required, as in Fig. 78 ; the body as in Figs. 77
Sheet-metal work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
