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Actions	Details Remove from selection Add to selection Title A.l.s. to W H Preece from W Langdon Reference UK0108 NAEST 020/081 Date 1873-12-12 Scope and Content A.l.s. to W H Preece from W Langdon, enclosing example of ballad sent by Preece's duplex system. The first and second verses were sent by two stations to each other at the same time, and so on to the end of the ballad. Physical description Number of pieces: 1, Pages/folios: 1 Language English. Persons keyword Langdon William Edward 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 020/081 A.l.s. to W H Preece from W Langdon

Title
A.l.s. to W H Preece from W Langdon
Reference
UK0108 NAEST 020/081
Date
1873-12-12
Scope and Content
A.l.s. to W H Preece from W Langdon, enclosing example of ballad sent by Preece's duplex system. The first and second verses were sent by two stations to each other at the same time, and so on to the end of the ballad.
Physical description
Number of pieces: 1, Pages/folios: 1
Language
English.
Persons keyword
Langdon William Edward
Subject
Telegraph equipment
Conditions governing access
Open
Level of description
file

Details