. Journal of electricity. of all patents now in existence cannot becalculated, because many of the late inventions, whichin future years will have enormous value, at the pres-ent have little or no earning capacity. As an instance,there is one patent of which we have definite knowl-edge, which is now three years old and which as yethas earned nothing, but licenses which have recently 528 JOURNAL OF ELECTRICITY [Vol. 40—No. 10 been signed bid fair to bring a return of $500,000 thisyear; another patent will bring a return of $10,000 thisyear with the prospect of this royalty increasing byleaps an
. Journal of electricity. of all patents now in existence cannot becalculated, because many of the late inventions, whichin future years will have enormous value, at the pres-ent have little or no earning capacity. As an instance,there is one patent of which we have definite knowl-edge, which is now three years old and which as yethas earned nothing, but licenses which have recently 528 JOURNAL OF ELECTRICITY [Vol. 40—No. 10 been signed bid fair to bring a return of $500,000 thisyear; another patent will bring a return of $10,000 thisyear with the prospect of this royalty increasing byleaps and bounds in each succeeding year. NEW IDEAS FROM THE WESTSpeed GovernorPatent No. 1,257,918, issued to Walter G. Noack of Stock-ton, Cal., and assigned to Tractor Motors Company of Benicia,Cal., shows a new form of governor which is particularlyadapted to control the speed of internal combustion governor consists of two concave plates arranged in jux-taposition so that the height of the enclosed chamber de-. creases outwardly. Arranged in the chamber between theplates are a plurality of steel balls, which are thrown out-wardly by centrifugal force as the plates are rotated, therebycausing a separation of the plates. One of the plates is fixedto a shaft and the other is slidable longitudinally along theshaft and is normally held in place by a spring. The amountof movement of the latter plate along the shaft is determinedby the speed of the shaft and the plate is connected to theengine throttle, so that the throttle opening is closed whenthe speed becomes excessive. Governors of this type have atendency to hunt and this tendency is overcome in the presentgovernor by retarding the entrance and discharge of air fromthe chamber, thus producing a damping effect on the No. 1,257,516, issued to Earle A. Muckey of SanFrancisco, California, discloses a new form of insulator as-semblage for electrical construction. This insulator as-
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Keywords: ., bookcentury1900, bookdecade1910, bookidjo, booksubjectelectricity
