1. Specification for enamelled and rayon-covered copper conductors (oleo-resinous enamel). Round wire Part 1, (26th July 1965) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (19 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for hand-made shellac. (1st May 1965) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (42 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗