51. Specification for agricultural trailer and trailed machinery drawbar jacks. (31st December 1986) 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) ↗
52. Specification for brakes and braking systems for towed agricultural vehicles. (31st March 1987) 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) ↗
53. Specification for hydraulic trolley jacks. (27th August 1971) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Specification for hydraulic trolley jacks. (31st January 1989) 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) ↗
55. Specification for lifts, escalators, passenger conveyors and paternosters. Definitions Part 9, (24th February 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) ↗
56. Specification for lifts, escalators, passenger conveyors and paternosters. General requirements for electric, hydraulic and hand-powered lifts Part 1, (24th February 1970) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
57. Specification for lifts, escalators, passenger conveyors and paternosters. General requirements for guarding Part 10, (30th November 1972) 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) ↗
58. Specification for lifts, escalators, passenger conveyors and paternosters. Modernization or reconstruction of lifts, escalators and paternosters Part 8, (19th March 1971) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
59. Specification for lifts, escalators, passenger conveyors and paternosters. Testing and inspection Part 7, (23rd October 1970) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
60. Specification for nylon tubing. Plasticized and unplasticized nylon tubing types 11 and 12 for use primarily in the automobile industry Part 2, (30th September 1978) 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) ↗