Specimen of repair joint

Specimen of repair joint for 40 lb cadmium copper overhead open

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Specimen of repair joint for 40 lb cadmium copper overhead open
Science Museum Group
© The Board of Trustees of the Science Museum

Specimen of repair joint for 40 lb cadmium copper overhead open wire spans

Details

Category:
Telecommunications
Object Number:
1980-1391
type:
specimen
credit:
Post Office Telecommunications. Peterbor