Henderson cableway

This travelling cableway was erected in 1908 at Grays for H Covington and Sons of Battersea by John M Henderson & Co of Aberdeen. It was used for lifting waste material and refuse from barges in the Thames for dumping to reclaim land. The span was 900 ft and it could handle a net load of 4 tons. Powered by a two cylinder steam engine it could hoist at 300ft per minute and travel at 900 ft per minute.