The usefulness of 

 this motor-truck is 

 increased by side 

 brackets, as shown 



Machine for forcing 

 out obstructions in 

 hollow steel tools 

 used in rock drills 



Do It with Tools 

 and Machinery and 

 Speed Up Your Job 



This attachment is 

 for drilling in diffi- 

 cult places on cast- 

 ings and other work 



Motor-driven ma- 

 chine for cleaning 

 the space bands on 

 linotype machines 



A gas torch in which an electric 

 fan forces out the gases, making a 

 flame up to twenty-foior inches long 



1 



A new type of portable conveyor 

 which is driven by an electric 

 motor. The lower end has a scoop 

 for pushing into the material 



Above in center: A tape 

 line which registers the 

 length measured on a dial 

 which is on top of case 



394 



A self-contained rock drill. It is 

 worked by a small gasoline engine 

 attached to the tripod used for 

 holding the drilling machinery 



