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Actions	Details Remove from selection Add to selection Title 'Duplex Telegraphy by constant currents' Reference UK0108 NAEST 020/317 Date 1875-12-15 Scope and Content Press cutting of article from the Journal of the Telegraph, New York, entitled 'Duplex Telegraphy by constant currents.' Author not identified. Physical description Number of pieces: 1, Pages/folios: 1 Language English. Persons keyword Journal of the Telegraph Subject Telegraph equipment Conditions governing access Open Level of description file Hierarchy browser 110000001 NATIONAL ARCHIVE FOR ELECTRICAL SCIENCE AND TECHNOLOGY contains 323 parts UK0108 NAEST 020 Baker Collection: Papers of Sir William Henry Preece contains 213 parts UK0108 NAEST 020/317 'Duplex Telegraphy by constant currents'

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Title
'Duplex Telegraphy by constant currents'
Reference
UK0108 NAEST 020/317
Date
1875-12-15
Scope and Content
Press cutting of article from the Journal of the Telegraph, New York, entitled 'Duplex Telegraphy by constant currents.' Author not identified.
Physical description
Number of pieces: 1, Pages/folios: 1
Language
English.
Persons keyword
Journal of the Telegraph
Subject
Telegraph equipment
Conditions governing access
Open
Level of description
file

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