The design was based on a model he had created in 1867.
The design is based on the earlier 6000 series trains.
Its design was based on the earlier and somewhat smaller, 12X.
The experimental design and methods developed are based on project needs.
Its design is based on the helmets used by the British at the time.
The design of each wing is based on its theme.
The design was based on the idea of a wagon train.
The design of the building is based on a classical column.
The design was based an Italian villa of the 1680-90 period.
The design, he said, was based on the concept of a comet.