Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 442
Fig. 51. Flush-Ring Cupboard Catrh. a cylinder in which a piston runs freely until the door is nearly closed, when either the air or some oil or other liquid which cannot be frozen in the cylinder checks the rapid piston action, so that the door is closed easily ar.d without a slam (see Fig. 58).… … Fig. 56. CTiaiu Bolt, Allowing Dour lu be Puiiially Opeued These springs are always in action, so that, if it is ever desiredto leave the door open, some appliance must be used to accomplish 867 36 HARDWARE this purpose. As they do not generally permit the doors to swingback against the wall where…
Architecture · Building · Carpentry
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