Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 441
o that the outerstack would draw like the inner one. Then itwas merely necessary to connect the ventilatingsystem of the factory with this outer stack. Theventilating main was to be a big flue, six feethigh by two feet wide. Of course the plant would have to be shut downwhile the work was being… … THE AIR-LOCK THAT IMPEDED THE RESCUING PARTY. (SEE PAGE up, the outer casing built around it, and the bigflue set up from that casing to the terminals ofthe ventilating pipes in the building. The job was a little out of the ordinary forour officie. Will and I had had a good deal to dowith the…
Children's literature
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