51. Fertilizers. Sampling. Method for reduction of samples of solid fertilizers Part 2.5, (28th February 1989) 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) ↗
52. Methods for preparation of calibration gas mixtures. Comparison methods and methods for establishing traceability. Determination of composition by comparison methods Part 9.1, (29th February 1988) 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) ↗
53. Measurement of fluid flow: assessment of uncertainty in the calibration and use of flow measurement devices. Non-linear calibration relationships Part 2, (29th September 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Methods for preparation of calibration gas mixtures. Dynamic volumetric methods. Sonic orifices Part 5.6, (31st December 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Methods for preparation of calibration gas mixtures. Comparison methods and methods for establishing traceability. Checking by a comparison method Part 9.2, (29th February 1988) 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) ↗
56. Measurement of fluid flow: assessment of uncertainty in the calibration and use of flow measurement devices. Linear calibration relationships Part 1, (31st October 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
57. Refrigerant compressors. Methods of test for performance Part 1, (31st July 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. Measurement of liquid flow in closed conduits using weighing and volumetric methods. Weighing method. Procedures for checking static weighing systems Part 1.2, (31st October 1991) 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) ↗
59. Electrical and pneumatic analogue chart recorders for use in industrial-process control systems. Guidance for inspection and routine testing. (15th January 1993) 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) ↗
60. Method for evaluation of the performance of coal sizing equipment. (15th September 1994) 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) ↗