Vashon, George S., & co., Washington, D.C. [from old catalog] · Washington, D.C., G. S. Vashon & co. · leaf 45
are engaged by pawls fixed to the shaft. 20. Means for transmitting rotary motion from one shaft to another atright angles thereto. 21. Multiple gearing. The triangular wheel drives the large one. 22. A simple ore stamper or pulverizer. The plunger is raised and droppedtwice for each revolution of…
Patents · Inventions
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