Variable SpeedCountershaft for securing any speed withoutchange of belt or loss of time. Es-pecially adapted for all kinds of Iron-working Machinery Iron Lathes,Planers, Boring Mills, Shapers, etc.;Cement Machinery, Experimentall Machinery—in fact all kinds of ma-chinery requiring a change of…
Elevated · Feet · Tube · Machine · Plunger · Scientific American · Electrical engineering · Horse power · Feet wide · Mount washington · Foreign Countries · Shawmut avenue · Main valve · Glass bottle · Pleasant street · Fastening device
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