Complex sentence: The ride was first built in 1923 by John Miller but was extended in 1936 by Charlie Paige and Joe Emberton; adding arches over the south entrance of the park and additional drops.
Split into simpler sentences: The ride was first built in 1923 by John Miller. In 1936, Charlie Paige and Joe Emberton extended the ride, adding arches over the south entrance of the park and additional drops.