The RA was split into two distinct branches in 1899, with the Royal Garrison Artillery (RGA) taking over all the units in these divisions, which were scrapped in 1902.
The 2nd and subsequent brigades were the artillery militia units (who temporarily lost their county designations), which already consisted of multiple batteries and had sometime sbeen referred to as 'regiments'.
Although the militia and volunteers organised by county were affiliated to an appropriate territorial division, for the Regular RA the divisions simply represented recruiting districts – batteries could be serving anywhere in the British Empire and their only allegiance to brigade headquarters (HQ) was for the supply of drafts and recruits.
The amount of militia artillery in each division had no relation to the coast defences that needed to be manned, but solely to the numbers that could be recruited within its boundaries.
[3][5][6][7][8][9][10][11][12] 1st and 2nd Sussex; 1st Norfolk; 1st, 2nd and 3rd Kent; 1st Essex; 1st and 2nd Cinque Ports; 2nd and 3rd Middlesex; 1st London; 1st Suffolk & Harwich 1st and 2nd Hampshire; 1st Edinburgh; 1st Midlothian; 1st Banffshire; 1st Forfarshire; 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th and 9th Lancashire; 1st Renfrew & Dumbarton; 1st and 2nd Dorsetshire; 1st Fife; 1st Haddington; 1st Lanarkshire; 1st Ayrshire & Galloway; 1st Argyll & Bute; 1st Cheshire & Carnarvonshire; 1st Caithness; 1st Aberdeenshire; 1st Berwickshire; 1st Inverness-shire; 1st Cumberland; 1st Orkney; 1st Shropshire & Staffordshire; 1st Worcestershire Tynemouth; 1st and 2nd Northumberland; 1st and 2nd Devonshire; 1st Cornwall; 1st and 2nd Glamorganshire; 1st and 2nd Yorkshire (East Riding); 1st Gloucestershire; 1st Yorkshire (North Riding); 1st Lincolnshire; 1st Berwick-on-Tweed; 1st, 2nd, 3rd and 4th Durham; 1st, 2nd and 4th Yorkshire (West Riding); 1st Newcastle upon Tyne; 1st Monmouthshire When the territorial divisions were reorganised on 1 July 1889, one field battery in South Africa and nine garrison artillery batteries – one in Monmouthshire, the remainder in India – were converted into mountain batteries to constitute a new mountain artillery division.