Grace and power - the miracle of the 'gravity runway'.

The visual splendour - as well as practical benefits - of overhead runways and conveyors are marvellously illustrated in this promotional film shot in unidentified dockyards. The company which made the equipment, called Rownson, Drew & Clydesdale Ltd, was established in 1821, and later moved into making baggage handling apparatus for airports.

The handling of food and goods at docks with the aid of mechanical conveyors made by Rownson, Drew and Clydesdale.