Missen, E. Elementary Telegraphy : Covering the syllabus of the city and guilds of London Institute examination, grade 1 / E. Missen. - London : George newnes, c 1946. - 340 p. : ill, ; 19 cm. Include index. 344 344 Subjects--Topical Terms: Electric, electronic, magnetic, communications, computer engineering; lighting. Dewey Class. No.: 621.382 / M680e