21. IOR/V/27/723/17 Reference (shelfmark): IOR/V/27/723/17 Title: Wraight, E A, Production and inspection of rails at the works of Messrs. the Tata Iron and Steel Company, Ltd., Jamshedpur. Calcutta, 1928 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928 Extent: 1 volume
22. IOR/V/27/723/16 Reference (shelfmark): IOR/V/27/723/16 Title: Wraight, E A and Hinde, P, Hammer tests on rails rolled by the Tata Iron and Steel Company. Calcutta, 1928 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1928 Extent: 1 volume
23. IOR/V/27/723/22 Reference (shelfmark): IOR/V/27/723/22 Title: Gelson, W E and Blackwood, E A, Track stress research, November 1935 - November 1938, progress report, Vol 1. Report. Calcutta, 1939 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1939 Extent: 1 volume
24. IOR/V/27/723/15 Reference (shelfmark): IOR/V/27/723/15 Title: White, H G Norman, Report on the proposal to adopt an automatic centre buffer coupler for the 5' 6" gauge railways of India. 1923 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1923 Extent: 1 volume
25. IOR/V/27/723/14 Reference (shelfmark): IOR/V/27/723/14 Title: Horn, W R and Duncan, H G, Report on the adoption of a combined automatic coupler and buffer for railway vehicles on Australian railways. February 1920. Calcutta, 1921 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1921 Extent: 1 volume