What is the significance of the three white tapes on the collar of the Royal Naval sailors’ uniform?

Child's sailor suit made for Albert Edward, Prince of Wales, 1846 Child's sailor suit made for Albert Edward, Prince of Wales, 1846 (detail). Repro ID: F4848-003 ©National Maritime Museum, Greenwich, London.The three white tapes were said to commemorate Nelson’s three great battles: the Nile, Copenhagen and Trafalgar. However, there is no truth in this: the Admiralty were at one time considering the merits of two stripes as against three.