the edge of the tray the bot- two parallel rods, which extend nearly vertically upward for die. A single stroke of the blade, which is provided with a tom is provided with a short tube, a, through which the a suitable distance, when they are bent to the rearward and lever handle, will cut slots of… … of thinner iron than the other sheets, An inspector discov- ers this when making the internal examination. forward between the parallel or guide rods, and its forward In casting up the safe working pressure of a boiler, the may be shifted sidewise to make slots wider than the blade, end is provided…
Internet Archive · Public domain (published before 1931). Free to use for anything.
