51. Harmonized system of quality assessment for electronic components. Generic specification: image converter and image intensifier tubes. (31st December 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. Chemical disinfectants and antiseptics. Hygienic handrub. Test method and requirements (phase 2/step 2). (15th November 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
53. Plywood. Specifications. Requirements for plywood for use in dry conditions Part 1, (15th September 1997) 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) ↗
54. Fibre-reinforced plastics. Thermosetting moulding compounds and prepregs. Determination of cure characteristics. (15th August 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Plywood. Specifications. Requirements for plywood for use in exterior conditions Part 3, (15th September 1997) 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) ↗
56. Pulps. Estimation of dirt and shives. Inspection by reflected light Part 3, (15th April 1998) 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) ↗
57. Admixtures for concrete, mortar and grout. Test methods. Determination of air void characteristics in hardened concrete Part 11, (15th February 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. Analysis of butter. Method for determination of salt content Part 5, (15th March 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) ↗
59. Resilient floor coverings. Determination of the electrical resistance. (15th May 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) ↗
60. Rubber- or plastics-coated fabrics. Low temperature tests. Impact test on loop Part 2, (15th March 1998) 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) ↗