Is it not true that the film obtained from a 100 mm. type of machine is in many respects nearly as good as is obtained from a full-sized film used for normal radiography purposes? Is it not also true that such a machine used in an area where miners and pottery workers are at risk owing to pneumoconiosis would he most valuable, and may we have some assurance that the area will be considered for the provision of a machine of this type as soon as possible?