end by a door. A All machinists know the difficulty of cutting threads cable extends upwardly from this door to a lever carry- daily operation with four regular subscribers, and it on the lathe. The tool must be carefully set by the gives a service which our correspondent assures us ing a float… … somewhat deeper cut, is made. After each cut the HOHE-HADE FENCE TELEPHONE SYSTEM. lathe is reversed and a new and finer cutter presented to the work. The last cut cleans up the thread exact- ly as in the final cut of a single-point tool. There are, compares well with the lines of the regular…
Liquid · Air · Oxygen · Apparatus · Feet · Railroad · Liquid air · Inches · Naphtha deposits · Kaiserin maria · Scientific American · Horse power · Storage battery · Rapid transit · Carbon dioxide · Portland cement · Atmospheric air
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