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Title
Photographs of Voice Frequency Telegraph Equipment
Reference
UK0108 NAEST 003
Date
1927-1936
Scope and Content
8 photographs of Voice Frequency telephone equipment, with separate labels, in envelope.
Exent
8 photographs
Language
English.
Subject
Telegraphy, Voice frequency telegraphy
Conditions governing access
Open
Level of description
sub-fonds

Hierarchy browser

110000001
NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY
contains 322 parts
- UK0108 NAEST 003
  Photographs of Voice Frequency Telegraph Equipment
  contains 7 parts

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