Plaster of Paris to Set Screws into Wall
Screws holding light fittings in a bathroom were found to be driven into the plaster between laths and became loosened. No strain was placed upon them, and as it was desired to replace the screws in the same holes, the following method was employed: A cotton string was wrapped around the threads of the screw, and the screw then dipped into plaster of Paris until sufficient of this adhered to it to fill the hole in the wall and to permit some of it to be forced behind the plaster. When the plugs thus formed were dry, they resisted a considerable pressure, by reason of the enlarged portions behind the plaster.—H. A. Trester, Milwaukee, Wis.