SAFEGUARDING (aka SAFEGUARDING A NATION). c 1930
This is a duplicate of documentary found on tape PM3301 - see separate record for details.
Item showing North country depot that repairs and retreads old tyres.
Discarded car tyres are given new treads so they can be reused.
Demonstration of puncture proof tyres and what antipuncture compound looks like.
New Dunlop tyre undergoes endurance test at manufacturing plant
Ford Dunlop in Birmingham test Aero-tyres
New automated tyre factory in Rumania.
Mechanical devices test aeroplane tyres, observed by engineers.
Ministry of Information trailer about bicycle tyres.