121. Specification and approval of welding procedures for metallic materials. Welding procedure test for pipeline welding on land and offshore site butt welding of transmission pipelines Part 9, (15th August 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
122. Specification for gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above. (23rd December 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
123. Specification. Description and evaluation of field balancing equipment. (10th August 1973) 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) ↗
124. Testing aggregates. Method for determination of water-soluble chloride salts Part 117, (30th June 1988) 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) ↗
125. Testing concrete. Guide to the use of non-destructive methods of test for hardened concrete Part 201, (28th February 1986) 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) ↗
126. Testing concrete. Recommendations for radiography of concrete Part 205, (28th November 1986) 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) ↗
127. Testing concrete. Recommendations for the assessment of concrete strength by near-to-surface tests Part 207, (31st January 1992) 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) ↗
128. Testing corrosion inhibiting, engine coolant concentrate ('antifreeze'). Methods of test for corrosion inhibition performance. Field test Part 2.5, (28th June 1985) 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) ↗
129. Thermally insulated underground pipelines. General requirements for cased systems without air gap Part 3, (30th June 1977) 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) ↗
130. Thermally insulated underground pipelines. Specification for steel cased systems with air gap Part 1, (30th May 1986) 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) ↗