Complex sentence: From 1840 to 1842, and based in Launceston he explored nearly every part of Tasmania, usually on foot with three men and two pack horses, the then Governor John Franklin affording him every help in his scientific endeavours.
Split into simpler sentences: From 1840 to 1842, and based in Launceston he explored nearly every part of Tasmania, usually on foot with three men and two pack horses. The Governor John Franklin affording him every help in his scientific endeavours.