A PROFITABLE EXTRA.

Press, Volume LXVI, Issue 20036, 18 September 1930, Page 6

A PROFITABLE EXTRA.

THREE HIPFGRS FOR POORS. In general building practice, only the heavier dears' in a house are hung with three hinges. For all lighter doors, two hinges are generally considered to be sufficient. The provisaion of three, hinges for every do° r ia, however, a minor e*tra well wortu paying for when a house is being built or when a door that ha* given trouoie is being re-nung, Tne third hinge serves a .valuable purpo&e i n holding %txo edge of the door in alignment and providing a safeguard against warping. It often serves, ahjp, to prevent the middle part of the door fouling the stop on the hinge side of the frame, a trouble not uncommonly met with when the timber used in doors or frames has been imperfectly seasoned. If a door is hung on two hinges only, eaqb hinge carries one*hftlf of the weight of the door. When the door is bung with three hinges, each of these carries only about ono4hird of the weight, thereby decreasing the strain and wear and tear. More screws are driven into the door jamb and the door, thus relieving the strain on individual screws and on the wood that holds them, took troubles, also, are less Jpable to arise when a deor U firmly held in plaee by three binges-

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