Complex sentence: During his term as lightkeeper, West oversaw the installation of new lamps in 1829, and in 1846 the lighthouse was rebuilt and moved away from the eroding bluffs, and a new dwelling built.
Split into simpler sentences: During his term as lightkeeper, West oversaw the installation of new lamps in 1829. In 1846 the lighthouse was rebuilt and moved away from the eroding bluffs, and a new dwelling built.