HM Stationery Office, London, 1956
reprint of 1931's edition, includes 8pp 1950 supplement , 411pp, cloth, 24x18cm.
Index:
Radio signaling instructions, Instructions regarding text of messages, Explanations and instructions for use of the Code, Model Verb, Punctuation adn Amplifying Phrases, General Vocabulary, Numbers, Dates, Degrees, Points of the Compass, Relative Bearings, Latitude and Longitude, Minutes and Seconds (time and arc), Hours, Table of Standard Times, Barometer Scales, Thermometer Scales, Medical section, Japanese Spelling table, Geographical Section, Decode.