Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 323
single seam is made as shown at a. The thirdand last operation is shown in Fig. 225 where by the use of the sametools the doubled seam a is obtained. In Fig. 226 is shown how thefinish is made with a comb ridge at the top. The sheets AAA have 259 180 SHEET ]MET.\L AVORK on the one side tlie single… … Fig. 226. flashed. A shows the gutter, B the leader or rain water conductor,and C the lock on tlie gutter A, fastened to the roof boards by cleats
Architecture · Building · Carpentry
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