Complex sentence: Completed in July 1931, Emerson's lung was quieter, lighter, more efficient, and cheaper; with a $1000 price tag, it sold for less than half the price of Drinker's make.
Split into simpler sentences: Completed in July 1931, Emerson's lung was quieter, lighter, more efficient, and cheaper. With a $1000 price tag, it sold for less than half the price of Drinker's make.