Daily Herald Photograph: Watercress Gatherers

One photograph titled 'The Broom Army'. Caption on the back reads: 'Watercress gatherers at Cassio Bridge, Rickmansworth, Herts, setting off with their long brooms over the picturesque old stone bridge to the watercress beds, the brooms are used for beating down the cress under water to keep off the heavy frosts during the winter months.'