HC Deb 22 November 1927 vol 210 c1574
12. Viscount SANDON

asked the Secretary of State for War whether progress has been or is being consistently made towards silencing the movements of the mechanised force; and to what extent the problem is considered soluble?

The SECRETARY of STATE for WAR (Sir Laming Worthington-Evans)

I can assure my Noble and gallant Friend that the problem of silencing the movements of mechanised vehicles is one upon which much thought is expended. Within strict financial limits, progress is being made but silence is golden.