The frame removed form the car. Another unique about cars of this era is that they had mechanical brakes and drums. Starting in about 1936 cars had hydraulic brakes. The difference is the mechanical had metal rods that connected the brake pedal to the drums and wheels. With Hydraulic brakes the pressure from the foot pedal was transmitted by small piston pumps and a special oil to the drums and brakes. Modern cars use disk brakes with Hydraulics.