31. IOR/L/MIL/7/13666 Reference (shelfmark): IOR/L/MIL/7/13666 Title: Collection 309/41 Revision of armament for coast and frontier defences of India. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1902-1917 Extent: 1 file
32. IOR/L/MIL/7/13676 Reference (shelfmark): IOR/L/MIL/7/13676 Title: Collection 309/49 Proposed purchase from Admiralty of certain surplus naval guns for coastal defences in India. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920-1921 Extent: 1 file
33. IOR/L/MIL/7/13643 Reference (shelfmark): IOR/L/MIL/7/13643 Title: Collection 309/19 Shipment of some of the 10-inch breech-loading guns. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891-1893 Extent: 1 file
34. IOR/L/MIL/7/13624 Reference (shelfmark): IOR/L/MIL/7/13624 Title: Collection 309/1 Proposals of defence committee: orders given for 6-inch and 10-inch breech-loading guns. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1885-1887 Extent: 1 file
35. IOR/L/MIL/7/13632 Reference (shelfmark): IOR/L/MIL/7/13632 Title: Collection 309/9 Overhead shields, mountings and emplacements: various questions, Ordnance Committee reports and photographs of trials at Harwich. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1888-1890 Extent: 1 file
36. IOR/L/MIL/7/13636 Reference (shelfmark): IOR/L/MIL/7/13636 Title: Collection 309/12A Delay in supply: proposed substitution of 9·2-inch for 10-inch guns, progress statement. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1889-1891 Extent: 1 file
37. IOR/L/MIL/7/13639 Reference (shelfmark): IOR/L/MIL/7/13639 Title: Collection 309/15 Movable armament of Aden defences: addition of 25-pounder muzzle-loading guns, withdrawal of smooth-bore armament. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1890-1892 Extent: 1 file
38. IOR/L/MIL/7/13641 Reference (shelfmark): IOR/L/MIL/7/13641 Title: Collection 309/17 Re-tubing of 9-inch muzzle-loading guns for high angle and direct fire. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891-1893 Extent: 1 file
39. IOR/L/MIL/7/13675 Reference (shelfmark): IOR/L/MIL/7/13675 Title: Collection 309/48 Possible use of ship armour for purposes of land fortifications. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920 Extent: 1 file
40. IOR/L/MIL/7/13644 Reference (shelfmark): IOR/L/MIL/7/13644 Title: Collection 309/20 Defects in 10-inch breech-loading guns and mounting at Aden, discovered on being tested. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891-1893 Extent: 1 file