London: Published for Cable and Wireless Ltd. by the R.A. Publishing Co. Ltd., [1945]
Physical Description
54 p. : ill. ; 21 cm.
General Note
Title page engraving and twenty-eight illustrations by C.F. Tunnicliffe.
Contents
Foreword -- The message of the tom-tom -- When runners bore the news -- Messages by fire -- The call of the horn -- Iron tongues -- Sending a heliogram -- Saying it with smoke -- The language of flags -- Messages in bottles -- By pigeon post -- Rocket news -- Shutter and semaphore -- The electric telegraph -- The ‘Great Easter' -- Wireless telegraphy -- Phot-telegraphy and television