asper. A company composed of Baltimore capitalists hasbeenorganized to develop mines, and a railroad fromViento Frio, on the oo&at, to the Nispero deposits has A CURRENT COLLECTOR FOR DYNAMOS. This collector takes the current from the commuta-tor cylinder by a rolling contact, thus avoiding… … ROBERTS CURRENT COLLECTOR FOR DYNAMOS. sectional view, showing the relative proportions of theparts, more particularly for high and ordinary speeds,while in Fig. 3 the parts are better proportioned forlow speed. In Figs. 3 and 4 different applications ofthe chains are shown, the current being…
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