Discussion on ´Apparatus standards of telephonic transmission, and the technique of testing microphones and receivers´ before the Institution, 17th November, 1927
Volume :
66
Issue :
374
fYear :
1928
fDate :
2/1/1928 12:00:00 AM
Firstpage :
189
Lastpage :
197
Journal_Title :
Journal of the Institution of Electrical Engineers
