Complex sentence: After Henry Worthington died in 1880 he was succeeded by his son Charles Campbell Worthington (1854--1944), who contributed hundreds of improvements in pumps, compressors, and other machines.
Split into simpler sentences: After Henry Worthington died in 1880 he was succeeded by his son Charles Campbell Worthington (1854--1944). While head of the company, Worthington contributed many useful improvements to pumps, compressors, and other machines.