Transactions . Weisbach. Coxe. The Hanging Lamps of Weisbach, 1850, and Coxe, 1870. good results; and in such cases the plumb-line only should besighted. Weisbach always greatly preferred, the Spreitzen method ofsetting-up, as shown again in Fig. 172, and the Setz-signal-lampe

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries