Complex sentence: Newsome kept the post for over 20 years until 22nd December 1938 when he was dismissed (with 3 months salary) for misconduct in office and on the 24th April 1939 Mr Lee Wilkes was appointed Acting General Manager.
Split into simpler sentences: Newsome kept the post for over 20 years until 22nd December 1938 when he was dismissed (with 3 months salary) for misconduct in office. On the 24th April 1939 Mr Lee Wilkes was appointed Acting General Manager.