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Title
Rules for working duplex sounder
Reference
UK0108 NAEST 020/248
Date
n.d.
Scope and Content
Manuscript copy of rules fro working duplex sounder [sent to W H Preece by C Patey].
Physical description
Number of pieces: 1, Pages/folios: 2
Language
English.
Persons keyword
Patey C H B
Subject
Telegraph equipment
Conditions governing access
Open
Level of description
file

Hierarchy browser

110000001
NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY
contains 322 parts
- UK0108 NAEST 020
  Baker Collection: Papers of Sir William Henry Preece
  contains 213 parts
  - UK0108 NAEST 020/248
    Rules for working duplex sounder

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