21. Specification for electromechanical components for electronic equipment: basic testing procedures and measuring methods. General Part 1, (28th February 1985) 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) ↗
22. Specification for harmonized system of quality assessment for electronic components. Blank detail specification: electromechanical switches for use in electronic equipment. Blank detail specification for pushbutton switches. (15th November 1992) 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) ↗
23. Specification for low voltage switchgear and controlgear for industrial use. Single hole mounted control switches and indicator lights. Mounting dimensions. (29th June 1984) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
24. Specification for low voltage switchgear and controlgear for industrial use. Terminal marking and distinctive number for particular control switches. (31st May 1978) 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) ↗