Item title reads - Sergeants 'walk it'.
Two British sergeants complete their 3000 mile walk from San Francisco in 67 days. New York, America (USA).
L/S of sergeants Pat Maloney and Mervyn Evans walking out of the Lincoln Tunnel, they are followed by reporters. M/S's tracking shot,...
Masses of people gather to see, and walk through, the world's greatest tunnel.
The Mersey Tunnel is broken through! The Lady Mayor of Liverpool and the Lord Mayor of Birkenhead shake hands through the hole.
Good footage of workers building new underground rail network in Rome, Italy.
Construction of Dartford Tunnel - Kent and Essex ends of tunnel meets.
A new fork lift breakdown truck is brought in to ease problems in the Mersey Tunnel.
European Highway number 3 in Germany.
Various shots of the building of a large wind tunnel in Bedford.
An interview on some of the engineering considerations of boring through chalk.