Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 35
added to the pattern. In other words,the end h has a single edge as <U while the other end c has a doubleedge as shown at a and e ; the two ends of the body joining at/. In allowing these edges for the pattern, some workmen preferto add a single edge on one side of the pattern, and a double… … Fig. 16. Fig. 17. seamed as is shown in Fig. 18, where the two operations are clearlyshown by A and B whether the seaming is done by hand ar ma-chine, while the lock seam in Fig. 17, is done on the groover. Notching the Patterns. Another important point is thenotching of the edges of the patterns…
Architecture · Building · Carpentry
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