At Wythenshawe, Manchester, corporations new satellite town, modern British made the scenery was demonstrated show how designs, some of them adapted from those used to construct airfields and great arterial highways, can be used on the preparations of new housing sites, whether machines accelerate various stages of construction. Picture shows, the trench cut a machine at work, used to cutting drains and gas mains, this can average between 25 and 40 yd per hour. 16 August 1946