ELIMINATING NOISE.
Experiments in London Tube Railways. REDUCTION BY HALF MADE. British Ollichil Wireless. (Kcceivi'cl n.:;o a.m.) BUGBY, February 5. JTolse in (lie London tube railways is to he reduced by halt at an estimated 'cost of £lllli.0(l(i. K.vperimcnts for the 'reduction of "whcel-on-raiP noise are now reported to be complete and nil rail sections on the 110 miles of the system and on all the planned extensions are to be welded by a special process. The final solution of the second halt of the noise problem, that of absorbing as much m< possible of the noise, that is produced, lias not yet ben leached. Kx-.eiin.ents have been made in a section of the tube with asbestos composition mattresses, raised to the height of the fioor of the train, along the tunnel walls. For a number of reasons, however, they have been found unsatisfactory for general purposes, and experiments with other materials are to be
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Auckland Star, Volume LXVIII, Issue 31, 6 February 1937, Page 9
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155ELIMINATING NOISE. Auckland Star, Volume LXVIII, Issue 31, 6 February 1937, Page 9
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