Page:Popular Science Monthly Volume 92.djvu/735

 �Do It with Tools and Machines and Save Time and Muscle

��At the left, a two-part heat-treated steel shell shaped like a truncated cone for dressing valves

��A small electrically-driv- en bench planer is at the right. It is adapted to home or workshop use

���A boltless flange union for pipe lines, which draws the parts to- gether by rotation

���Increasing or diminishing the di- ameter of the pulley over which a flat belt runs by moving the vanes in or out to change speed of the shaft

Below is shown a novel machine de- signed by a farmer to pile stumps for burning in land-clearing operations

��A grease cup using grease put up in paper capsules. A clean way to fill the

��Locking rini

��Oil channels

��A portable chain grip vise which can be fastened quickly to any kind of horizon- tal or vertical support. It can be used in various ways

����A ball bearing lathe center de- signed especially for lathe used by metal spinners or wood turners

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