71. Specification for electric lamps for lighthouses. (30th April 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
72. Specification for exit signs (internally illuminated). (31st October 1978) 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) ↗
73. Specification for lighting for aircraft indicators using integral filament lamps. (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) ↗
74. Specification for luminance meters. (15th August 1998) 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) ↗
75. Specification for optical performance of reflective agents for use in high-visibility garments and accessories. (28th February 1974) 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) ↗
76. Specification for retroreflecting number plates. (31st August 2021) 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) ↗
77. Tracked Changes. Aerospace series. Cables, electrical, aircraft use. Test methods. Contrast measurement Part 705, (22nd March 2022) 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) ↗
78. Tracked Changes. Code of practice for the design of road lighting. Lighting of tunnels Part 2, (24th February 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) ↗
79. Tracked Changes. Miscellaneous road traffic signs and devices. Requirements and test methods. (31st May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (98 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
80. Tracked Changes. Pulps. Preparation of laboratory sheets for the measurement of optical properties. (16th December 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗