File of provisional specifications, mainly of inventions or designs re telegraphy patented by Sir Oliver Lodge and Messrs Muirhead & Co., Electrical Engineers, and by Ben Davies and the same company, and including Marconi's provisional specification for 'Improvements in Transmitting Electrical Impulses and Signals ...', 1896. There is also a patent granted to Ben Davies in 1893 for 'Improvements in electric measuring instruments'.
File of provisional specifications, mainly of inventions or designs re telegraphy patented by Sir Oliver Lodge and Messrs Muirhead & ...,
This material is held atNational Library of Wales / Llyfrgell Genedlaethol Cymru
- Reference
- GB 210 BOX 12/1.
- Alternative Id.(alternative) vtls005004280(alternative) ISYSARCHB1
- Dates of Creation
- 1896-1926.
- Location
- ARCH/MSS (GB0210)
Scope and Content
Note
Preferred citation: BOX 12/1.
Additional Information
Published