21. Tracked Changes. Synchronous belt drives. Metric pitch, curvilinear profile systems G, H, R and S, belts and pulleys. (30th May 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (146 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
22. Tracked Changes. Thermal insulating products for building equipment and industrial installations. Determination of dimensions, squareness and linearity of preformed pipe insulation. (15th September 2022) 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) ↗