NOTE 1:
For all POs and CPOs there were increases in pay with time in rank seniority, generally at thee-yearly increments.

All shipboard electrical installations were the responsibility of the Torpedo Branch. Torpedomen with electrical training were identified as Leading Torpedo Operators, or LTOs. Ratings qualified as LTOs received an extra allowance depending on substantive rate. This was a trade qualification usually acquired at the Leading Seaman level. Electrical Artificers were only carried in large cruisers and above and dealt mainly with high power installations. Although recognized as being necessary before WW1, amalgamation of all the electrical tradesmen would not take place until 1949.

NOTE 2:
All Artificers were considerably better paid than other trades. An ERA 1st class was paid about twice what a seaman CPO received. Most Engine Room Artificers entered as apprentices and joined a ship at the 5th class level to complete the sea-phase of their training. Electrical and Ordnance Artificers and some ERAs were hired as qualified Artificers and entered at the Artificer 3rd or 2nd Class level. They often had minimum naval background and were mostly valued for their technical expertise.

NOTE 3:
Youths joined as Boys between 15 and 16 and a half. Boy seamen and signallers were trained in the pre-sea training establishments. Boys 1st class were carried in cruisers and above. Boys in the Supply and Secretariat Branches were trained on the job, usually in shore establishments. Boys time did not count for promotion or pension. Man�s time started on the boy�s 18th birthday. Direct entry men were only accepted from age 18 and up.

NOTE 4:
The Ship�s Police were recruited from among the seamen and Royal Marines and were often men who stood little chance of advancement in their respective branches. In 1919 this branch was reorganized and renamed "Regulating Branch" at which time the Ship�s Corporal became Regulating Petty Officer. Despite efforts to improve the quality and practises, the branch remained little changed.

NOTE 5:
All of the Artisan trades were in the process of being reorganized similarly to the Electrical and Ordnance branches. In the new system Boy Shipwrights would serve a 5-year apprenticeship in the Royal Dockyard shops. In the Old Scheme artificers were mostly hired on from civilian sources at a level commensurate with their training and experience, a practise that was continued even after the introduction of the revised system of training.