Page:Popular Science Monthly Volume 92.djvu/410

 �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

�� �