I restored a ‘29 Model A Sport Coupe several years ago and during my research I found that there were lots changes over the 4 years of Model A production, not only from year to year but many mid year running changes as well.
The very early 1928 Model A’s had the emergency brake lever on the left side of the car, just inside the door, later it was moved to in front of the shifter then to the right of the shifter. The early ‘28 emergency brake activated the brake rods for all four wheels then the government stepped in and required the emergency brakes to be activated separate from the service brakes.