Complex sentence: Founded in 1970, the museum is housed in a former railroad depot built by the Atlantic Coast Line Railroad in 1924 and contains 2,000 artifacts, 2,500 photographs, and a library of books that convey a great deal of information on Dunedin's past.
Split into simpler sentences: Founded in 1970, the museum is housed in a former railroad depot built by the Atlantic Coast Line Railroad in 1924. The museum contains 2,000 artifacts, 2,500 photographs, and a library of books that convey a great deal of information on Dunedin's past.