. Cyclopedia of architecture, carpentry, and building : a general reference work .... Fig. Fig. 150. 215 130 SHEET IMETAE 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 on what isknown as a miter cutter. This machine consists of eight foot presseson a single table, each press having a different set of dies for the purposeof cutting the various miters on the various bars
. Cyclopedia of architecture, carpentry, and building : a general reference work .... Fig. Fig. 150. 215 130 SHEET IMETAE 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 on what isknown as a miter cutter. This machine consists of eight foot presseson a single table, each press having a different set of dies for the purposeof cutting the various miters on the various bars. The bars are thenformed on what is known as a Drop Press in which the bar can beformed in two operations to the length of 10 feet. METHOD EMPLOYED IN OBTAINING THE PATTERNSThe method to be employed in developing the patterns for thevarious skylights is by parallel lines. If, however, a dome, conserva-tory or circular skylight is required, the blanks for the various curbs,bars, and ventilators, are laid out by the rule given in Sheet MetalWork, Part IV, under Circular W^ork. VARIOUS SHAPES
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