Complex sentence: He there met, as chairman of the committee, Jervis Langdon, treasurer of the Chamber of Commerce, Elmira, who secured the industry for his city by organizing a corporation to build exclusively Hope-Jones organs.
Split into simpler sentences: He there met, as chairman of the committee, Jervis Langdon (Treasurer of the Chamber of Commerce, Elmira). That gentleman secured the industry for his city by organizing a corporation to build exclusively Hope-Jones organs.