Complex sentence: John Crane willed his 4-inch Clark refractor to the AAVSO, and after he died in 1927, Phoebe Waterman Haas was able to obtain it.
Split into simpler sentences: John Crane willed his 4-inch Clark refractor to the AAVSO. After he died in 1927, Phoebe Waterman Haas was able to obtain it.