Complex sentence: The British Hosiery Mill, later known as the Priscilla Worsted Mill was built in Frog City in 1884, and the Victoria Mill on John Street was the largest of the mills in the area.
Split into simpler sentences: The British Hosiery Mill, later known as the Priscilla Worsted Mill was built in Frog City in 1884. The Victoria Mill on John Street was the largest of the mills in the area.