Relays in automatic telephony : their construction, design, and adjustment, together with the theory - detaljert visning

Relays in automatic telephony : their construction, design, and adjustment, together with the theory of impulsing and the measurement of time lags /

Reginald William Palmer
Bok Engelsk 1930


Omfang	viii, 192 s., [1] vikt pl.-bl. : ill.
Emner	Telephone switching systems, Electronic Telephone systems Telefonreleer Automatiska telefonväxlar Vis mer... Reläer Telefoni
Dewey	621.385