Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 244
Fig. 192. ^^hii stretch-awl, shears, hamiuer, and dividers. In adtlition to these handtools a notching machine is required fi>r luttliiL olF the corners of tlie … w b^ liK. l.t:5. sheets, and r(M)fing folders are re-quired for edging the sheets in llat-seam roofing, and hand douhle seamerand nxiHng tongs for stamling-senmroofing. The roofing douhle seamerand s(|uee/.ing tongs can he use»l forstanding-seam nM>fing (in ]>la(v of thehand douhle seamer),…
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.