Special train carriage fitted with machinery to test tracks for problems.
Testing rail tracks between London and Reading, Berkshire.
Travelling shot along railway lines at high speed. M/S two men in carriage. Interior carriage: no seating, instead men at sit at machines. C/U Man at window wearing earphones. C/U writing pad on man's knee, pan up to his face. M/S men reading instruments on machines in carriage.
C/U men writing on graph. C/U graph. C/U two men looking at graph. C/U graph. Man compares two graphs by laying one over the other. Man at measuring equipment. C/U man. C/U measuring instrument. C/U man looking at instrument. C/U instrument registering 60 M.P.H. M/S, taken over man's head, through back window of train. M/S man at window of train making notes. Point of view shot through train window travelling at speed.
The machinery was developed in France, British Rail are using it to investigate irregularities in the track.
Note: newspaper cutting and BR press release on file.