Sidebar content	Main content
Actions	Details Remove from selection Add to selection Title Double current duplex-simplex telegraph set for terminal station, with instructions Reference UK0108 NAEST 069/1/174 Date 1920-1921 Scope and Content 2 drawings and 1 copy. One drawing has on verso Drawing No, 668A (See NAEST 069/1/175 below). Associated with the drawings are instructions for working the set, 4 copies 1921 Physical description Number of pieces: 7 Language English. Subject Duplex telegraphy, Instruction books Conditions governing access Open Level of description file Hierarchy browser 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 069/1/174 Double current duplex-simplex telegraph set for terminal station, with instructions

Main content

Details

Add to selection

Title
Double current duplex-simplex telegraph set for terminal station, with instructions
Reference
UK0108 NAEST 069/1/174
Date
1920-1921
Scope and Content
2 drawings and 1 copy. One drawing has on verso Drawing No, 668A (See NAEST 069/1/175 below). Associated with the drawings are instructions for working the set, 4 copies 1921
Physical description
Number of pieces: 7
Language
English.
Subject
Duplex telegraphy, Instruction books
Conditions governing access
Open
Level of description
file

Hierarchy browser

AIS uses strictly necessary cookies to improve the user experience.

This AIS also uses analytical cookies.