The New Cent

1857 Scientific American  
� __ __ __ __ __ ______ �_d_ t n_ t i_fi t _�_m_ t _d_ t a_n + __ _____________ ::-__ � J � A, and surrounded by a stout coiled spring, the action of B, the leverage of C gradually wheel which is fixed on B, and consequently � '"' n k, �n t l + "'u tt as represented, which tends continually to dedecreases in a ratio which exactly compensates for oscillates therewith. E is a smaller gear ",W ,0", AJ lJ + press it. C is a lever hinged to the fixed the diminution of its motion, so that the
more » ... so that the position wheel, and the effect of this gearing is to Mlcro-GeolOll: V.
doi:10.1038/scientificamerican06131857-316d fatcat:5ezwt4gy2ngnfkcpjjy3ies6pm