Complex sentence: In 1860 the lighthouse station underwent a massive renovation when two new levels and a larger lantern were added to the lighthouse, increasing the height of the tower from its original 80 feet (1796) to its current height of 110' 6.
Split into simpler sentences: In 1860 the lighthouse station underwent a massive renovation when two new levels and a larger lantern were added. This increased the height of the tower from its original 80 feet (1796) to its current height of 110' 6.