Do you allow me to correct my unfortunate clerical error in my article on \"Silver lines and channel tunnels\" in the current number of contemporary reviews?
The progress of the French Channel Tunnel from the small village of sanggart to the English coast was 18 yards per day in November, not \"weekly \".
\"At the moment, boring machines in Bomont and the UK are cutting 7-
Walking at a speed of more than 20 metres per day has not yet reached the limit of capacity.