1. Specification for microform readers. (30th June 1976) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for school television receivers and stands. (29th October 1976) 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) ↗
3. Specification for school television receivers and stands. Colour television receivers (29th October 1976) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗