21. 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
22. IOR/L/MIL/7/13645 Reference (shelfmark): IOR/L/MIL/7/13645 Title: Collection 309/21 Aden defences: supply of eight Maxim ·45 guns. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891-1895 Extent: 1 file
23. IOR/L/MIL/7/13646 Reference (shelfmark): IOR/L/MIL/7/13646 Title: Collection 309/22 Use of mirror sights for breech loading guns. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891-1893 Extent: 1 file
24. IOR/L/MIL/7/13647 Reference (shelfmark): IOR/L/MIL/7/13647 Title: Collection 309/23 Alteration of hydro-pneumatic mounting for breech-loading gun to design R.C.D.No.6254. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892-1896 Extent: 1 file
25. IOR/L/MIL/7/13648 Reference (shelfmark): IOR/L/MIL/7/13648 Title: Collection 309/23A Modification of examination of hydro-pneumatic mountings. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892-1898 Extent: 1 file
26. IOR/L/MIL/7/13649 Reference (shelfmark): IOR/L/MIL/7/13649 Title: Collection 309/24 Armour-piercing projectiles for 6-inch and 10-inch breech-loading guns: demands for. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892-1895 Extent: 1 file
27. IOR/L/MIL/7/13650 Reference (shelfmark): IOR/L/MIL/7/13650 Title: Collection 309/25 Electric night sights for ordnance. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892-1898 Extent: 1 file
28. IOR/L/MIL/7/13651 Reference (shelfmark): IOR/L/MIL/7/13651 Title: Collection 309/26 Withdrawal of 10-inch breech-loading guns from Rangoon and modification of armament for that post. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892-1893 Extent: 1 file
29. IOR/L/MIL/7/13652 Reference (shelfmark): IOR/L/MIL/7/13652 Title: Collection 309/27 Damage to bores of 6-inch breech-loading guns at Karachi by breaking of Palliser shot. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893-1894 Extent: 1 file
30. IOR/L/MIL/7/13653 Reference (shelfmark): IOR/L/MIL/7/13653 Title: Collection 309/28 Withdrawal of mirror sights for guns on hydro-pneumatic mountings. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893-1894 Extent: 1 file