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Scientific American, Vol. 51, No. 9 (August 1884) (1884)

leaf 4

An illustration from Scientific American, Vol. 51, No. 9 (August 1884), 1884, leaf 4
n- D. G. Beaumont, of Laredo, Texas. A box made of any what a disgrace it is to the mechanic arts in this country desirable material and of convenient form may be adapted that every stick of timber in every house is not fireproofed to contain water, or may be provided with a removable by a cheap,… … and cold air flues, ventilating flues, with artificial draught, BEAUMONT'S STAMP AND ENVELOPE MOISTENER. STOCKS' PAPER OR LETTER BOX. steam, gas, water, and sewerage pipes, and speaking tubes. They must he equipped with an electric generator til the door is opened, when it can be easily removed…

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