Title
Provisional specification for W H Preece's first patent
Reference
UK0108 NAEST 053/001
Date
1855
Scope and Content
Manuscript provisional specification for W H Preece's invention: "an improved manner of arranging Electric telegraphs to communicate in both directions at the same time on the same wire." Preece's address is given as 7 Bernard St, Primrose Hill, Middlesex.
Physical description
Number of pieces: 1, Pages/folios: 2
Language
English.
Subject
Conditions governing access
Open
Level of description
file
