Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 208
iig. UJ. … Iin. 1.jO. 165 136 SHEET METAL WORK SHOP TOOLS In the smaller shops the bars are cut with the hand shears andformed up on the ordinary cornice brake. In the larger shops, thestrips required for the bars or curbs are cut on the large squaringshears, and the miters on the ends of these strips are cut…
Architecture · Building
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