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THE APPLICATION OF MACHINERY.
market having been found, the operation of cutting and transporting the trees necessarily ceased."[1]
Professor Playfair, who visited this singular work, states, that six minutes was the usual time occupied in the descent of a tree; but that in wet weather, it reached the lake in three minutes.
- ↑ The mines of Bolanos in Mexico are supplied with timber from the adjacent mountains by a slide similar to that of Alpnach. It was constructed by M. Floresi, a gentleman well acquainted with Switzerland.
