81. Consumable accessories for light microscopes. Slides. Specification for dimensions and optical properties Part 2.1, (28th February 1989) 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) ↗
82. Copper and copper alloys. Copper rod, bar and wire for general electrical purposes. (24th May 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) ↗
83. Copper and copper alloys. Seamless copper tubes for electrical purposes. (21st April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
84. Detail specification for flat rectangular (8.33:1) rigid waveguide tubing. Standard wall thickness. General application category. (15th March 1971) 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) ↗
85. Detail specification for medium flat rectangular (4:1) rigid waveguide tubing. Standard wall thickness. General application category. (15th March 1971) 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) ↗
86. Detail specification for multi-contact rectangular electrical connectors with moulded bodies for d.c. and low frequency applications. Unsealed with end guides or jackscrew couplings and front release, rear removable crimp contacts. Full assessment level. (15th October 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (47 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
87. Detail specification for multi-contact rectangular electrical connectors with moulded bodies for d.c. and low frequency applications. Unsealed with end guides or jackscrew couplings and non-removable solder contacts. Full assessment level. (15th October 1981) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
88. Detail specification for ordinary rectangular (2:1) rigid waveguide tubing. Standard wall thickness. General application category. (15th February 1971) 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) ↗
89. Detail Specification: Fixed low power film high stability SMD resistors. Rectangular. Stability classes 0, 1; 0, 25. (6th June 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
90. Detail specification: Fixed low power film SMD resistors. Rectangular. Stability classes 0, 1; 0, 25; 0, 5; 1. (31st May 2014) 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) ↗