11. IOR/L/MIL/7/14658 Reference (shelfmark): IOR/L/MIL/7/14658 Title: Collection 327/11 Report on the whole of the requirements for completion of Aden scheme. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893-1894 Extent: 1 file
12. IOR/L/MIL/7/14659 Reference (shelfmark): IOR/L/MIL/7/14659 Title: Collection 327/12 Aden defences: depression range-finding scheme. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893-1894 Extent: 1 file
13. IOR/L/MIL/7/14660 Reference (shelfmark): IOR/L/MIL/7/14660 Title: Collection 327/13 Aden defences: reports on laying and testing of cables. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1894-1896 Extent: 1 file
14. IOR/L/MIL/7/14661 Reference (shelfmark): IOR/L/MIL/7/14661 Title: Collection 327/14 Aden defences: revised estimate of cost of complete scheme. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1895 Extent: 1 file
15. IOR/L/MIL/7/14662 Reference (shelfmark): IOR/L/MIL/7/14662 Title: Collection 327/15 Deputation of Colonel H.S. Watkin to inspect Aden scheme. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1896 Extent: 1 file
16. IOR/L/MIL/7/14663 Reference (shelfmark): IOR/L/MIL/7/14663 Title: Collection 327/16 Aden scheme: schedule A (confidential correction). Collection Area: India Office Records and Private Papers Languages: English Date Range: 1896-1897 Extent: 1 file
17. IOR/L/MIL/7/14664 Reference (shelfmark): IOR/L/MIL/7/14664 Title: Collection 327/17 Report by Colonel H.S. Watkin on Aden apparatus. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1897 Extent: 1 file
18. IOR/L/MIL/7/14665 Reference (shelfmark): IOR/L/MIL/7/14665 Title: Collection 327/18 Schemes for improving present methods of range and position-finding. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1896 Extent: 1 file