Ghe Srientitic American, 360 Improved Ratchet Drill. ever seen. the ratchet portion arranged in a very ingenious and It was patented by L. H. Olmstead, through the durable manner. can, at A, andis much trouble the springs on the more durable than pawls usually give; they when in the obverse are… … is stationary, on the back Winter Flowering stroke of the “handle, the Bulbs. OLMSTEAD'S RATCHET DRILL. socket is held by the Henry A. Dreer, flo- rist, of Phila., gives the clamp, and screwed out of Stamford, Conn., to whom all orders must be ad- course, feed it down. This arrangement can be in…
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