THE WORLD'S ADVANCE 



353 



at one end and a light weight at the 

 other. The weight should be slightly 

 greater than that of the eraser. When 

 the eraser is not in use the weight pulls 

 it down over the hole, where it can al- 

 ways be found promptly when it is 

 wanted. 



Contributed by 



L. C. LUNDHOLM. 



Reviving Dead Rubber 



Elasticity can be restored to rubber by 

 dipping it in a mixture composed of one 

 part household ammonia and two parts 

 water. 



Contributed by FRED MURSCH. 



A Handy Tool for the Layer-Out 



A very handy and time-saving tool for 

 the layer-out engaged in sheet iron or 

 boiler work is a double center punch for 



the centering of flange or shear lines 

 which are usually centered with two 

 marks close together for the purpose of 

 distinguishing between the center marks 

 for holes and those of the shear 

 or flange lines. The idea is made clear 

 by the illustration. 



Contributed by N. H. BABCOCK. 



Convenient Paint Brush Drainer 



It often happens that the handy man 

 desires some form of device for keeping 

 the outside of a bucket free from paint, 

 while painting. An idea for accomplish- 

 ing this result is shown in the accompany- 



ing illustration. It consists of a strip of 

 metal bent in the form of a circle of 

 such size as to be slightly smaller than 

 the bucket into which it fits. The circle is 

 held in place by small hooks which fit 

 over the top edge of the can. 

 Contributed by 



W. R. COTTRELL. 



Removing Adhesive Tape Painlessly 



The usual pain which accompanies re- 

 moving adhesive tape from cuts or 

 bruises can be avoided if a few drops of 

 benzine are applied to the edges. 



Contributed by CHARLES A. ALLEN. 



Pitch Board and Template for Stair 

 Builders 



A new idea in tools for designing stair- 

 ways is suggested in the accompanying 

 drawing. It is constructed of steel, and 

 should be made according to the propor- 



