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Actions	Details Remove from selection Add to selection Title Manuscript notes on sources for the history of duplex telegraphy Reference UK0108 NAEST 020/349 Date n.d. Scope and Content Manuscript list of sources for the history of duplex telegraphy. Gives title, subject and journal. Refers to dispute between Professor Edlund and William Siemens re the invention of duplex telegraphy. Physical description Number of pieces: 1, Pages/folios: 1 Language English. Persons keyword Edlund Professor, Siemens Sir Charles William 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 020/349 Manuscript notes on sources for the history of duplex telegraphy

Title
Manuscript notes on sources for the history of duplex telegraphy
Reference
UK0108 NAEST 020/349
Date
n.d.
Scope and Content
Manuscript list of sources for the history of duplex telegraphy. Gives title, subject and journal. Refers to dispute between Professor Edlund and William Siemens re the invention of duplex telegraphy.
Physical description
Number of pieces: 1, Pages/folios: 1
Language
English.
Persons keyword
Edlund Professor, Siemens Sir Charles William
Subject
Telegraph equipment
Conditions governing access
Open
Level of description
file

Details