Started spontaneously from a state of rest on a curve of one mile radius on embankment.

Train brought to rest on the Plane 1 in 267 without the Break.

Single Carriage, No. 12, descending on straight line. Gradient 1 in 267.

July 11th, 1839.

Single Carriage, No. 9, descending on straight line. Gradient 1 in 267.

From initial velocity 40-90 miles per hour, down Madeley Plane.

From initial velocity 32-73 miles per hour, down Madeley Plane.

Dist. Posts. Times. Diffs. Speed. Dist. Posts. Times. Diffs. Speed.