The Encyclopedia britannica; a dictionary of arts, sciences, and general literatureWith new maps, and original American articles by eminent writersWith American revisions and additions, bringing each volume up to date . .velocify and thus the rate of the clock is regulated A nunhbetter airangenient is a modification of Watfs , cniployedby GruhU and Cuke The governoi ball.^ y. ,j (hg 3») onthe points// I, of thcrniKi; till they then normal velocity,when they llyouuvaldsaud bring the .^ ( vnth leather)into contact with the friction plate p docks are simpl
The Encyclopedia britannica; a dictionary of arts, sciences, and general literatureWith new maps, and original American articles by eminent writersWith American revisions and additions, bringing each volume up to date . .velocify and thus the rate of the clock is regulated A nunhbetter airangenient is a modification of Watfs , cniployedby GruhU and Cuke The governoi ball.^ y. ,j (hg 3») onthe points// I, of thcrniKi; till they then normal velocity,when they llyouuvaldsaud bring the .^ ( vnth leather)into contact with the friction plate p docks are simplein construction and act very well Ncwconib in the Washingtonequatorial has rn.|doyed a long conical pendulum ; whentins pendulum m the least exceeds its uutnul velocity (that is, its normal departure from the verticall it establishes an electrical con=tact which brings friction to bear, and thus reduces the powerapplied to the pendulum. There is occasional tendency to ellipticalmotion, and the clock is otherwise troublesome. In the Repsoldsdriving clock of the 30 inch Pulkowa refractor the conical pendulumis reversed, being a heavy weight at the top of a vertical steel rod,kept in conical rotation b
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Keywords: ., bookcentury1800, bookdecade1890, bookidencyclopedia, bookyear1892
