Claydales Brickworks was on the right coming from Cupid Green where Cherry Trees Lane joins the Redbourn Road.
Old maps show a number of clay pits in the area from which clay would have been taken to the brickworks. From the Claydales siding the Nickey Line trucks would have carried coal and completed bricks. A photograph in the Nickey Line book shows a hill of clay stored there ready for use in the kilns.
There are two factories shown on the map that I have not managed to trace, Meribar Hosiery and Coolmetal Ltd.