QUARTZ CRYSTALSWritten by Godfrey Dykes© RN Communications Branch Museum/Library |
i. Capital ships, Aircraft Carriers, Cruisers and Depot Shipsii. Squadron Leaders, Aircraft Carriers, Fast Minelayers, Frigates, Surveying Vessels, Monitors and Minesweepers.iii. Submarines iv. LST (3)v. Maintenance Ships | GJGNGYGNGN/2 |