Work and Take the Rough Edges Off Hard Jobs 



i 



A lawn perforator 

 for reseeding. It is 

 composed of a block 

 of wood and quar- 

 ter-inch spikes 

 which protrude 

 about three inches 



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A screw extractor with left-hand 

 spirals to grip the sides of the 

 hole drilled in the screw that is 

 stuck. It never fails to hold 



A phonograph needle cutter and 

 sharpener, designed for bamboo 

 needles only. The knife may be 

 replaced after it is sharpened 



A chain-drive bor- 

 ing machine, for 

 drilling holes in 

 joists, rafters or 

 other inconveni- 

 ent places, weighs 

 but sixteen povmds 



A machine which makes tire changing 

 easy. Rollers are swung around in the 

 reverse of the dismounting direction 



TROLLEY WIRE IN 



AUXILIARY GROOVE BtING 

 DRAWN TOWARD CENTER 



An oil can fitted with a 

 cap lifting prong attached 

 to the spout. The prong 

 can lift the strongest cap 



Portable tool-post grinding 

 machme with extension arm 

 (at the left) for deep in- 

 ternal work. It grinds 

 large gages, regrinds 

 valves and cylinders 

 and polishes dies 



A trolley which engages 

 the wire at all times. If 

 the wire becomes disen- 

 gaged it is automatically 

 conveyed back to the 

 center groove, as shown 



