Complex sentence: American Plate Glass Company was sold in 1877 to the Crystal Plate Glass Company of St. Louis, and in 1895 the factory, town and all its holdings were acquired by Pittsburg Plate Glass Company, which later became PPG Industries.
Split into simpler sentences: American Plate Glass Company was sold in 1877 to the Crystal Plate Glass Company of St. Louis. In 1895 the factory, town and all its holdings were acquired by Pittsburg Plate Glass Company, which later became PPG Industries.