Complex sentence: He exhibited at the Academy, but more largely at the Royal Watercolour Society, his more important works including the historical pictures, "The Retreat of the Spanish Armada" (1871) and "The Loss of the Revenge" (1877).
Split into simpler sentences: He exhibited at the Royal Academy, but more largely at the Royal Watercolour Society. His more important works included the historical pictures, "The Retreat of the Spanish Armada" (1871) and "The Loss of the Revenge" (1877).