Complex sentence: The first St. John's church, a wooden frame building, was erected in 1903; the present brick, Tyndall stone and terra cotta building was raised in 1912-17, in an unornamented neo-Gothic style.
Split into simpler sentences: The first St. John's church, a wooden frame building, was erected in 1903. The present brick, Tyndall stone and terra cotta structure was raised in 1912-17, in an unornamented neo-Gothic style.