And their target was moving at an unprecedented speed.

The structure was built in 1908 in an unprecedented speed of 90 days.

But with the mayor's office lending support, city agencies cleared the way in what all involved described as unprecedented speed.

The chairman raced through the routine agenda of the board at an unprecedented speed.

We are living in an era where human knowledge is moving at an unprecedented speed of thought.

From steel to insurance to liquor, European companies are rushing into one another's arms at unprecedented speed.

At first he thought that this was the natural result of their jets attaining such unprecedented speed.

With unprecedented speed the drive to occupy Iran moved to completion.

This competition led to their shipping services running at unprecedented speed and efficiency.

Its unprecedented speed made available-light photography possible for the first time.