Complex sentence: Steavenson was elected a member of the NEIMME Council in 1867 aged thirty-one and in 1877 he was elected Vice-President of the NEIMME.
Split into simpler sentences: Steavenson was elected a member of the NEIMME Council in 1867 aged thirty-one. In 1877 Steavenson was elected Vice-President of the NEIMME.