i, China, is operated on a small scale, its pro- two pieces of wood to either side of the board, these duct being exported through the port of Wuchow. that this contrivance will work with extraordinary ac- curacy, but if reasonable. precautions are taken in its to run up to where the two long… … Spain, 52,940; Si- The Mercury Tube lesia, 134,180; Po- Inverted. A HOME-MADE BAROMETER.
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