What animal did explorer Francis Birtles take on his 1912 cross country motor tour?

Trivia type
Trove trivia

A dog.  

In 1912, Australian adventurer, cyclist and photographer Francis Birtles undertook an over 3,954 kilometre car journey from Fremantle to Sydney in a Brush car.  

Accompanied by driver Sidney Ferguson the pair discovered a terrier named Rex at the beginning of their trip. They decided to bring the dog along with them as a mascot on their journey.  

Find out more about the journey