Complex sentence: By 1856 Victoria had 36 miles of telegraph line, with 14,738 messages transmitted, increasing to 35,792 messages in 1857, by 1867 there were 1,676 miles of line within Victoria, handling 122,138 messages.
Split into simpler sentences: By 1856 Victoria had 36 miles of telegraph line, with 14,738 messages transmitted, increasing to 35,792 messages in 1857. By 1867 there were 1,676 miles of line within Victoria, handling 122,138 messages.