lying undisturbed in the sand 20 hours longer. Conse- Bridge can be completed. method,an interesting series of experiments was recently made quently it cooled slowly, and contraction was more equalized, The Chicago Times thus describes the La Salle street tun- at the foundery of J. L Jackson &… … ure hai been taken off at 16? WEIGHT OF BEAM, 2,680 POUN»S. This sewer drains the tunnel, tuns, and allowed to remain off carrying the water to the north end of the tunnel, where downwards. The top of twenty minutes, before noting deflection, that there would there is a pumping well, 36 feet from…
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