own on eachend. The chains, the barrels of which can be worked independ- tube and the bulbs are partly filled with water, anda ently or conjointly, as required. The cabins for the vacuum is secured by boiling the water in the bulbs officers and crew are of the most complete description ; before… … THERMOSCOPIC BALANCE. which travels a vertical suction water from the full bulb to the pipe, 22 in. in diameter, and tele- empty one now occurs as before. At its foot is a conical hood, beneath which This operation is repeated so long as the bulbs are cant compared with the effects of gravity after…
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