Phonopore Telephone Circuit

Made:
1902 in King's Lynn
publisher:
Midland & Great Northern Joint Railway

Instructions, Midland & Great Northern Joint Railway, "To Be Observed by Signalmen and Others Concerned on Duty Between Melton Constable East and Yarmouth Inclusive, Respecting Phonopore Telephone Circuit", March 1902.

Details

Category:
Documents
Object Number:
2008-8965
type:
instructions
taxonomy:
  • information forms
  • instructional materials
credit:
British Transport Commission
status:
Permanent collection

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