14 APRIL 1939, Page 20

A.R.P.

[To the Editor of THE SPECTATOR] Sia,—Your article of March 31st on " A.R.P. Half-Measures " is the most vague, unfair and mischievous I have yet seen in any paper, and is discreditable to the great traditions of The Spectator and injurious to the public interest.

Watercroft, Penn, Bucks. H. R. C. BALFOUR.