Builder's hardware; a manual for architects, builders and house furnishers . Fig. I Metropolitan Newman. Chapter VIII. Spring LeverSash-fasts. Boston Pattern, 128 B UILDERS HARD WARE. Chapter VIII. A scarcely less admirable sash-fast is shown by Figure lever is on the lower sash, hooking under a tooth on theupper sash, which is bevelled so as to draw the sashes moreclosely together. A strong spring about the axle of the levertends to throw it open, while a smallbolt, inside the lever, locks into a con-cealed catch on the post or axle of thelever. The bolt ends in a knob, A
Builder's hardware; a manual for architects, builders and house furnishers . Fig. I Metropolitan Newman. Chapter VIII. Spring LeverSash-fasts. Boston Pattern, 128 B UILDERS HARD WARE. Chapter VIII. A scarcely less admirable sash-fast is shown by Figure lever is on the lower sash, hooking under a tooth on theupper sash, which is bevelled so as to draw the sashes moreclosely together. A strong spring about the axle of the levertends to throw it open, while a smallbolt, inside the lever, locks into a con-cealed catch on the post or axle of thelever. The bolt ends in a knob, A, and.
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