Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 116
-hand or a left-hand door, and the factthat the pin may be withdrawn al-lows of opening the door even whenlocked. This may sometimes be adisadvantage and should be bornein mind in using doors which openout of a room which must be madesecure. Locks. The variety of doorlocks is so great that mention… … Fifr. 8:^. Door Framing.
Architecture · Building
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