e disposed French Society for the similarly to plate, L, al- Encouragement of Na- ready described; c¢ is a tional Industry undertook cork mounted for gentle an investigation, the re- friction in the central tube sult of which is an excel- of plate, d; dis the axis of lent illustrated report the… … 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 suggests that German iron makers could pur- Hence, either or both tinum…
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