ardboard. To the bottom should be provided for clamping the grinding wheel used Welsbach gas lamp chimneys (the straight kind), of the smaller tin (on the outside) solder a piece of on the spindle. The other end of the spindle is putting the tinfoil in the middle, keeping it 1% inches iron or… … A SIMPLE FOOT-POWEB GBINDEB. BY A. B. OSBORN. A HOME-MADE WIMSHTTBST MACHINE. As. there may be some amateur mechanics (particu- die is cut (if possible turned) out of a piece of hard larly automobilists) who do not possess a grinding from each end, and then I put the posts that support wood, and is…
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