Complex sentence: The Baron's bullets had hit Lewis' compass, goggles, coat and trouser leg, but Lewis not only survived, but was practically unhurt; having suffered only minor burns, he spent the rest of the war a German prisoner.
Split into simpler sentences: The Baron's bullets had hit Lewis' compass, goggles, coat and trouser leg, but Lewis not only survived, but was practically unhurt. Having suffered only minor burns, he spent the rest of the war a German prisoner.