ns travel of the weight in the case attached to its extremity. In his second invention M. Robert uses independent hands. of wonderful clocks, consisting usually of a mere plate of In turn, it causes motion of the axis, N, which (through the glass on which two hands, apparently destitute of any… … cal association in Athens, mentation. In this case, has been abandoned _be- however, was concealed a cause of the scarcity of watch train, which once stone coal, although brown ROBERT'S MYSTERIOUS CLOCKS. in twelve hourscaused the coal is abundant in Greece. revolution of a little pla- The writer…
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