ape, and the structure. here, and the value of the additions which Dr. Schott is probably equally so where it has been covered by Below is given the record of observations of the and his associates have made to the literature of glass, the earth deposit. movement of the chimney from the first… … denly heated, it will be far less liable to tion in which the chimney leaned, the pul- STRAIGHTENING A LEANING CHIMNEY ONE HUNDBED FEET HIGH, burst than a tube made of ordinary glass. leys being made up of three sets of double For the manufacture of gages a similar and single blocks connected…
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