Elementry Telegraphy
E. Missen , A.M.I.I.E.
- London George Newnes Limited 1946
- 340p.
Introduction (Page-9) Principles of the State Stop Telegraph System (Page-18) Telegraph Relays (Page-86) Elementary Line Telegraph Transmission (Page-146) Voice frequency Telegraphy (Page-177) Telegraph Circuits (Page-203) Telegraph Instrument Room Equipment (Page-236) Telegraph Signal Distortion (Page-274) Testing and Measuring Apparatus (Page-288) Telegraph Power Supplies (Page-322)