Builder's hardware; a manual for architects, builders and house furnishers . Jr-l -UJG Fig. 129. Bardsleys Checking Spring-hinge. J. Bardsley. vents any sudden movement. The oil flows back and forththrough a narrow aperture, the size of which can be regulatedby a screw extending up through the covering of the box. 88 Chapter VI BUILDERS HARDWARE. This check is listed at $17 per door complete for a door ofordinary Besides the door-checks which are automatic in their action, there are a number of devices for holding the door open or in. Fig. B. Shannon
Builder's hardware; a manual for architects, builders and house furnishers . Jr-l -UJG Fig. 129. Bardsleys Checking Spring-hinge. J. Bardsley. vents any sudden movement. The oil flows back and forththrough a narrow aperture, the size of which can be regulatedby a screw extending up through the covering of the box. 88 Chapter VI BUILDERS HARDWARE. This check is listed at $17 per door complete for a door ofordinary Besides the door-checks which are automatic in their action, there are a number of devices for holding the door open or in. Fig. B. Shannon &Sons. Door-holder, A. G, Newman. any one position. Some of them are self-locking, but arearranged so that the door can be easily drawn to by slight pres-sure. Figures 130and 131 are two va- rieties of this styleof door-check. An-other kind is madeto absolutely holdthe door fast whenit is opened, so that in order to close the door the checkmust be released by hand: Figure 132 shows one of themany varieties of this form. It is varied by having a leverattached to the catch by which it can be more easily raised,
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