ole skilled work of its kind that has ever been brought a saving of about 40 per cent with an equal stability. plates ‘“‘to let them air.” It was this “airing” which to our attention. The little engine, which is of the The system consists of a tower of which the walls marine triple-expansion type,… … of an inch in diameter; and yet each The external woodwork was removed is perfectly hexagonal in shape. The in the spring of 1904, and, up to the they are filled with water which is made slightly alka- studs are a little less than 1-32 of an inch in diameter, present, although the tower has been…
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