Palmer, A. R. (revised by), — BROWN'S SIGNALLING - How to Learn the International Code of Visual and Sound Signals.

Brown Son and Ferguson, Glasgow, 1974, revised edition, 225pp, illustrations in colour and line, red cloth backed pictorial paper covered bds. lettered in black at spine, a guide to signalling by semaphore, flags, morse, radio, sound, etc. with illustrations of the methods, flags and buoys, lightly rubbed at extrems., no dustwrapper, very good plus,