R. H. Tweddell
- On Machine-Tools and other Labour-Saving Appliances Worked by Hydraulic Pressure. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 73, n. 1883-3 ( 1883). (1883):
- Forging by Hydraulic Pressure. Dans: Minutes of the Proceedings of the Institution of Civil Engineers, v. 117, n. 1894-3 ( 1894). (1894):