PLYMOUTH WESTERN DEFENCES The defences were later supplemented towards the end of the century by new gun batteries. In 1894 there were three 12.5" Rifled Muzzle Loading (RML) guns with two of the new 6" Breech Loading (BL) guns at Whitesand Bay Battery and four 9" High Angle RML guns at Tregantle Down Battery. Photo Steve JohnsonScroll down for other photos
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