11. IOR/L/MIL/7/1115 Reference (shelfmark): IOR/L/MIL/7/1115 Title: Collection 16/5 Weldon range finder: minutes and reports of various ordnance committees. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1882-1885 Extent: 1 file
12. IOR/L/MIL/7/1125 Reference (shelfmark): IOR/L/MIL/7/1125 Title: Collection 16/15 Provision of one-man range finders of Barr & Stroud pattern. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1912-1914 Extent: 1 file
13. IOR/L/MIL/7/1113 Reference (shelfmark): IOR/L/MIL/7/1113 Title: Collection 16/3 Proposed trials in England of Major Weldon's new range finder. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1880-1881 Extent: 1 file
14. IOR/L/MIL/7/1111 Reference (shelfmark): IOR/L/MIL/7/1111 Title: Collection 16/1 Trial of Watkin's depression range finder for coast batteries. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1882-1883 Extent: 1 file
15. IOR/L/MIL/7/1120 Reference (shelfmark): IOR/L/MIL/7/1120 Title: Collection 16/10 Reports on trials of various patterns submitted in response to War Office advertisement. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1888-1890 Extent: 1 file
16. IOR/L/MIL/7/1116 Reference (shelfmark): IOR/L/MIL/7/1116 Title: Collection 16/6 Weldon range finder: adopted by British service and sent to India for trial and report. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1883-1887 Extent: 1 file