How to succeed as an inventor; showing the wonderful possibilites in the field of invention; the dangers to be avoided; the inventions needed; how to perfect and develop new ideas to the money making stage (1909)
Smith, Goodwin Brooke, 1870- [from old catalog] · Philadelphia, Inventors and investors corporation · leaf 68
). The smaller wheel has thegreater speed of revolution, and the *peed3 ofthe wheels are in the inverse ratio of their dia-meters. 8. Evans* variable friction gear. The grippingmedium by which motion is transmitted from onecone to the other is a loose leather band, whoseposition can be varied by… … 11. Elliptical spur-gearing, used when a rotarymotion of varyiDg speed is required. 12. A spur-wheel geared internally with a pinion.The wheels rotate in the same direction (cf. 7) 13. Spur-gearing with oblique teeth, giving amore continuous bearing than 7 14. Showing the transmission of power by…
Inventions
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