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Locomotion
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Locomotion
National Railway Museum
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Non-Commercial Use
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Category
Telecommunications
6
Object type
manual telephone exchange
6
Material
metal (unknown)
3
wood (unidentified)
3
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PMBX 2+4/6 Manual Telephone Exchange
1930
PMBX 1+3/4 manual exchange
PMBX 3+9/12 Manual Exchange
1930
PMBX 2+4/6 Manual Telephone Exchange
1930
PMBX 3+9/12 switchboard.
PMBX 3+9/12 switchboard.
Manual telephone exchange used at ICI, Bury, made in 1947
Manual telephone exchange used at ICI
1947