1. Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms. Terms particular totelecommunications and electronics. Telegraphy, including facsimile, terminology Part 3 Group 03, (20th August 1971) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms. Terms particular totelecommunications and electronics. Telephony terminology Part 3 Group 02, (23rd August 1971) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗