Ardal dynodi
Cod cyfeirnod
BOX 12/1.
Teitl
File of provisional specifications, mainly of inventions or designs re telegraphy patented by Sir Oliver Lodge and Messrs Muirhead & ...,
Dyddiad(au)
- 1896-1926. (Creation)
Lefel y disgrifiad
Ffeil
Maint a chyfrwng
Ardal cyd-destun
Enw'r crëwr
Hanes archifol
Ffynhonnell
Ardal cynnwys a strwythur
Natur a chynnwys
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'.
Gwerthuso, dinistrio ac amserlennu
Croniadau
System o drefniant
Ardal amodau mynediad a defnydd
Amodau rheoli mynediad
Amodau rheoli atgynhyrchu
Iaith y deunydd
Sgript o ddeunydd
Nodiadau iaith a sgript
Cyflwr ac anghenion technegol
Cymhorthion chwilio
Ardal deunyddiau perthynol
Bodolaeth a lleoliad y gwreiddiol
Bodolaeth a lleoliad copïau
Unedau o ddisgrifiad cysylltiedig
Ardal nodiadau
Nodiadau
Preferred citation: BOX 12/1.
Dynodwr(dynodwyr) eraill
Virtua system control number
vtls005004280
Project identifier
ISYSARCHB1
Pwyntiau mynediad
Pwyntiau mynediad pwnc
Pwyntiau mynediad lleoedd
Pwyntiau mynediad Enw
Pwyntiau mynediad Genre
Ardal rheolaeth disgrifiad
Dynodwr disgrifiad
Dynodwr sefydliad
Llyfrgell Genedlaethol Cymru = The National Library of Wales