Builder's hardware; a manual for architects, builders and house furnishers . Fig. 238. Boston Pattern Blind-fast. Stanley Works. Boston pattern. New York pattern. 150 BUILDERS HARDWARE. Chapter ix. horizontally into the wall. The Stanley Works also has whatis designated as the Providence style of blind-fast. This isexactly the same as the New York pattern, except that the. Fig. 240. Standard ScrewBlind-fast. Stanley Works. Fig. 239. New York Pattern Blind-fast. Stanley Works. inner hook catches over instead of under the sill-staple, and isshaped like the hack catch of Figure 235,
Builder's hardware; a manual for architects, builders and house furnishers . Fig. 238. Boston Pattern Blind-fast. Stanley Works. Boston pattern. New York pattern. 150 BUILDERS HARDWARE. Chapter ix. horizontally into the wall. The Stanley Works also has whatis designated as the Providence style of blind-fast. This isexactly the same as the New York pattern, except that the. Fig. 240. Standard ScrewBlind-fast. Stanley Works. Fig. 239. New York Pattern Blind-fast. Stanley Works. inner hook catches over instead of under the sill-staple, and isshaped like the hack catch of Figure 235, Fasts. Figure 240 shows a form of blind-fast which is screwed bodily through the blind, catching on sill and wall staples inthe same manner as the preceding styles. A flat springinside of the case keeps the inner hook constantly pressed upand against the sill-staple. A variationof this same patternis made which actsby gravity, the catchworking in an obliqueslot in such a mannerthat the weight ofthe outer catch forces
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