91. Specification for aggregates from natural sources for concrete. (1st July 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (11 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
92. Specification for air filters for air supply to internal combustion engines and compressors other than for aircraft. (13th March 1970) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
93. Specification for beaded desiccant silica gel. (28th February 1992) 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) ↗
94. Specification for classification of degrees of protection provided by enclosures. (1st May 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (19 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
95. Specification for evaluating particulate contamination of hydraulic fluids. Method of calibrating liquid automatic particle-count instruments (using AC Fine Test Dust contaminant) Part 2, (31st January 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) ↗
96. Specification for high efficiency dust respirators. (17th March 1970) 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) ↗
97. Specification for positive pressure, powered dust hoods and blouses. (26th October 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) ↗
98. Specification for positive pressure, powered dust respirators. (17th March 1970) 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) ↗
99. Specification for respirators for protection against harmful dusts, gases and scheduled agricultural chemicals. (1st January 1978) 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) ↗
100. Specification for seat belt assemblies for motor vehicles. (31st July 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (49 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗