That looks so classic 1970s, especially the shape of the pushbuttons, and to a certain extent the shape of the knobs to the left of the pushbuttons.
The yellowing is probably sunlight over a 30-year period, in an area of Australia that's suffered from the ozone deficiency.
I'd be concerned about all the doggie hair. If that's what you can see, there might be more hanging out inside in places you can't see. I'd suggest wiping all the surfaces down with bleach after you clean up all the actual doggie hair including the lint filter and underneath the agitator.
Question, what's the no-spin cycle for?