1. Building hardware. Electrically controlled exit systems for use on escape routes. Requirements and test methods. (21st September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (130 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Building hardware. Emergency exit devices operated by a lever handle or push pad, for use on escape routes. Requirements and test methods. (31st March 2008) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Specification for builders' hardware: lock and latch furniture (doors). (15th October 1973) 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) ↗