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 70
semi- circle, and set off this distance from I to m on the line I m. Next measure from h to the semi-circle and set the distance ofE from n to o on the line n o. In the same manner transfer the other distances to p q, r s, &c. Repeat these operations upon the other side of the line r g. Finally,… … Fig. 53. base ; through b, its centre, draw a line b c ; make e c equal to the length of the sloping side ; from c with c e, describe the arc e d f ; take, in
Sheet-metal work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
