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 25
13 CORNICE WORK. until it is brought to the required shape. A little practice will soon demonstrate the utility of this method, and also its superiority over the hammer- ing process. ^' When work is to be put together, never place two raw edges together. On one of the members turn I of an inch… … Fig. 20. Fig. 18. unite the pieces, and on the top strip that is to be built in the wall turn a ^-inch edge, to stiffen and answer the purpose of straps to hold the cap in position. An edge of the same kind should also be turned on bottom strip, to extend over the frame ; and if the cap is to have…
Sheet-metal work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
