Amendments no. 1, April, 1931 [for] Gun drill for 6-in. B.L. gun, mark XIX, carriages, marks VIII and VIIIA, and B.L. 8-in. howitzer, marks VII, VII*, VII** and VIII, carriages, marks VII and VIIA, 1929.
Great Britain.War Office.
Great Britain.His Majesty's Stationery Office,issuing body.