81. Detail specification for solder-sealed quartz crystal units for oscillator applications. AA, CX and BC/1 enclosures, 50 to 125 MHz frequency range. Fifth overtone thickness-shear mode, AT-cut, for operation over narrow temperature ranges (temperature controlled). Full assessment level. (15th June 1977) 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. Detail specification for solder-sealed quartz crystal units for oscillator applications. AA, CX, BF and BC/1 enclosures, 17 to 75 MHz frequency range. Third overtone thickness-shear mode, AT-cut, for operation over wide temperature ranges (non- temperature controlled). Full assessment level. (15th October 1977) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (9 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
83. Detail specifications for silicon voltage-regulator diodes. (15th February 1971) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (9 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
84. Double-capped fluorescent lamps. Performance specifications. (23rd July 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (207 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
85. Drafting specifications based on limiting the number of defectives permitted in small samples. (15th September 1955) 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) ↗
86. Evaluation of sampling methods for iron ores. Experimental methods for evaluation of quality variation Part 1, (30th October 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
87. Fibre optic adaptors. Blank detail specification Part 1-1, (15th June 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) ↗
88. Fibre optic interconnecting devices and passive components. Adaptors for fibre optic connectors. Blank detail specification Part 1-1, (29th February 2012) 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) ↗
89. Fibre-cement pipes for sewers and drains. Pipes, joints and fittings for gravity systems Part 1, (15th April 1997) 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) ↗
90. Fireworks. Specification for fireworks Part 2, (30th November 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗