Title
Manuscript extract from letter to Professor [Relzius] from Dr Lancaster
Reference
UK0108 NAEST 020/348
Date
1855-03
Scope and Content
Manuscript extract from letter to Professor [Relzius] from Dr Lancaster. Refers to improvemtns made to [Gerritt] Smith's duplex system by Professor Edlund.
Physical description
Number of pieces: 1, Pages/folios: 1
Language
English.
Persons keyword
Edlund Professor, Lancaster Dr, Relzius Professor
Subject
Telegraph equipment
Conditions governing access
Open
Level of description
file