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Title
Diagramatic connections - double current terminal stations
Reference
UK0108 NAEST 069/1/175
Date
1921
Scope and Content
1 drawing, 1 blueprint and 1 copy.
Physical description
Number of pieces: 3
Language
English.
Subject
Duplex telegraphy
Conditions governing access
Open
Level of description
file

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110000001
NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY
contains 322 parts
- UK0108 NAEST 069
  Walters Electrical Manufacturing Company Ltd
  contains 5 parts
  - UK0108 NAEST 069/1
    Numbered Drawings of Walters Electrical Manufacturing Company Ltd
    contains 213 parts
    
    UK0108 NAEST 069/1/175
    Diagramatic connections - double current terminal stations

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