HC Deb 16 November 1927 vol 210 c1052W
Colonel DAY

asked the Home Secretary how many prosecutions have taken place, and with what result, within the Metropolitan police area for the 12 months ended to the last convenient date, against persons for driving motor cars or motor bicycles that were not effectively silenced?

Sir W. JOYNSON-HICKS

During the 12 months ended 30th June, 1927, there were 12,604 prosecutions in respect of ineffective silencers on motor cars and motor cycles, resulting in 12,006 convictions and 598 dismissals of the charge.