11. Specification for aircraft magnetic compass, direct-reading. (25th August 1949) 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) ↗
12. Specification for aircraft magnetic compass, remote-reading (gyro-stabilized). (15th December 1949) 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) ↗
13. Specification for aircraft magnetic compass, remote-reading (non-stabilized). (15th December 1949) 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) ↗
14. Specification for the calibration of hydrophones. (31st January 1979) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (50 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
15. Specification for turn and slip indicators for aircraft purposes. (7th June 1950) 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) ↗
16. Tracked Changes. Ships and marine technology. Marine electromagnetic compasses. (17th May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
17. Underwater acoustics. Hydrophones. Calibration of hydrophones. Procedures for free-field calibration of hydrophones Part 1, (1st July 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (96 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗