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Development
The development of telephonic communica-
tion in Copenhagen 1881-1931. By the techni-
cal staff of the Copenhagen telephone com-
pany. With an introduction by Fr.F.W.Johann-
sen... Translated from the Danish by Alexan-
der C.Jarvis.
8:o Kobenhavn 1932.
=Skrifter,Ingeniorvidenskabelige. A.32.
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Development
The development of telephonic communica-
tion in Copenhagen 1881-1951. By the techni-
cal staff of the Copenhagen telephone com-
pany. With an introduction by Fr.F.W.Johann-
sen... Translated from the Danish by Alexan-
der 0.Jarvis.
8:0 Köbenhavn 1932.
=Skrifter, Ingeniörvidenskabelige . A .32 .
Te I no ( .
g 7 L m