1. Magnetic compasses and binnacles. Recommendations for the positioning of compasses Part 3, (28th November 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for concrete porous pipes for under-drainage. (30th September 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Specification for grease gun cartridges (composite type). (30th September 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Specification for rod and links for root machinery. Carrot and sugar beet harvesters: metric units Part 4, (31st December 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Specification for rod and links for root machinery. Potato elevator diggers and main elevators on complete potato harvesters: metric units Part 3, (31st December 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Specification for snorkels and face masks. (31st December 1969) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗