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Scientific American, Vol. 58, No. 3 (1888) (1888)

leaf 5

An illustration from Scientific American, Vol. 58, No. 3 (1888), 1888, leaf 5
t to be seaworthy on the surface. Thefact that do it all, Eachspan weighs about one hundred and floor of the rooms is about one foot from the ground the 27 tons of hot water can be blown out in five min- fifty tons. The operation is now in progress, and span and covered with soft, thick straw mats,… … of stoves and grates there are braziers filled always float with a considerable portion out CITY. . 3.-MOVING BRIDGE SPANS ON PENN. R.R. IN JERSEY with heated charcoal, and at night the bra- of the water. Direct force is required to sink zier, when the weather is cold, is covered with a her, and…

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