Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Loudspeaker installation at Liverpool street stations
Principal feature of public address system, completed at station of London and North Eastern Railway, is device which automatically adjusts volume of sound from loud speaker groups in relation to level of noise in their vicinity; installation consists of 123 loud speakers of waterproof construction and resistant to attack by sulphur and soot. (see also Engineer v 177 n 4597 Feb 18 1944 p 138)
Loudspeaker installation at Liverpool street stations
Principal feature of public address system, completed at station of London and North Eastern Railway, is device which automatically adjusts volume of sound from loud speaker groups in relation to level of noise in their vicinity; installation consists of 123 loud speakers of waterproof construction and resistant to attack by sulphur and soot. (see also Engineer v 177 n 4597 Feb 18 1944 p 138)
Loudspeaker installation at Liverpool street stations
Engineering
Engineering ; 157
1944
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
Loudspeaker installation at Liverpool street stations
Engineering Index Backfile | 1944
Liverpool Street redevelopment
| British Library Conference Proceedings | 1995
Liverpool street station widening
Engineering Index Backfile | 1896
Impervious street pavements of Liverpool
Engineering Index Backfile | 1883