The Memorial Plaque is inscribed:
TO THE GLORY OF GOD AND IN MEMORY OF THE MEN OF THE CAPE GARRISON ARTILLERY WHO LOST THEIR LIVES IN THE GREAT WAR 1914-1918
Cape Garrison Artillery (CGA) gunners formed the core of the South African Heavy Artillery (SAHA), which deployed to Europe and fought as siege batteries of the Royal Garrison Artillery (RGA) on the Western Front from 1916-1918.
Further reading
The South African Corps of Marines
Military Memorials in St George's Cathedral at Cape Town
Memorials in the Cathedral
Cape Garrison Artillery Great War 1914-1918
Lieutenant Montague Treby Molesworth, Royal Navy
Duke of Edinburgh's Own Volunteer Rifles (DEOVR)
Lieutenant The Honourable W.J. Granville Chetwynd
Major Kenneth Ross Mackenzie, 2nd Battalion Seaforth Highlander
Gunner Frederick William Ratcliffe
Battle of Boomplaats Rifle Brigade Memorial
Battle of Boomplaats British Roll of Honour
Lt Col Frederick Miller VC Memorial
Captain George Pilkington, RE
Colonel Edmund Hartley VC, CMG
3rd Dragoon Guards Anglo-Boer War Roll of Honour