Complex sentence: In 1928 Mr Edward Fass sold his interest in the paper an by 1929, under the editorship of Mr Michael James O'Donohue, the newspaper changed format to a tabloid and altered its masthead for a third time to "The South Coast Bulletin".
Split into simpler sentences: In 1928 Mr Edward Fass sold his interest in the paper. By 1929, under the editorship of Mr Michael James O'Donohue, the newspaper changed format to a tabloid and altered its masthead for a third time to "The South Coast Bulletin".