One of its earlier designs included a crown on top but it was later changed to a new and better design.
Regional variations were changed from this point to a similar design to that of the digital clock.
In 1955, the previously elliptical rear side windows were changed to a more square design.
At that time, after a major reconstruction the seating capacity was changed to a more comfortable design with 21,405 seats.
The front grille was also changed to a new, more pronounced design.
In 1961 the B-209 midrange cone was changed to a radical new design.
The tie will be changed to a design of diagonal white and black stripes.
They changed the stairwell in the foyer to an open design.
The logo was also changed to an "over and under" design.
The cylinder head was again changed for the 2000 model year to a more emissions-friendly design.