Details
- TitlePatent No. 9,712 for Improvements relating to Telephones and to Circuit Arrangements and Relays therefor.
- ReferenceUK0108 SC MSS 100/03
- Date1898
- Scope and ContentIssued to Oliver Joseph Lodge.
- Physical descriptionNumber of pieces: 1
- LanguageEnglish.
- Subject
- Conditions governing accessOpen access
- Level of descriptionfile