o be seaworthy on the surface. The fact that do it all. Each span 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 Fig. 3. -MOVING BRIDGE SPANS ON PENN. K.R. IN JERSEY CITY. with heated charcoal, and at night the bra- of the water. Direct force is required to sink zier, when the jweather is cold, is covered with a her,…
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