1. Specification for fine pitch gears (metric module). Hobs and cutters Part 2, (31st October 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for fine pitch gears. Bevel gears Part 3, (24th January 1952) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Specification for fine pitch gears. Cycloidal type gears Part 2, (24th January 1952) 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) ↗
4. Timekeeping instruments. Movements. Forms, dimensions and nomenclature. (15th September 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗