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SHAFT

Volume 17 · 108 words · 1797 Edition

mining, is the pit or hollow entrance into the mine. In the tin-mines, after this is sunk about a fathom, they leave a little, long, square place, which is called a flambale.

Shafts are sunk some ten, some twenty fathoms deep into the earth, more or less. Of these shafts, there is the landing or working shaft, where they bring up the work or ore to the surface; but if it be worked by a horse engine or whim, it is called a whim-shaft; and where the water is drawn out of the mine, it is indifferently named an engine-shaft, or the rod-shaft. See Mine.

ornithology. See Trochilus.