11. Colonel DUPREasked the Under-Secretary of State for War whether the gravel at Cippenham, Slough, can be 875 used to make ferro-concrete without treatment; and, if not, to what process is it subjected?
§ Mr. MACPHERSONThe gravel is suitable after being passed through a washing machine.
12. Colonel DUPREasked whether it is intended to instal a separate electric generating station at Cippenham, Slough; and why, in view of a possible saving of public money, the local company who offered to quote for the supply of electricity were not invited to do so?
§ Mr. MACPHERSONThe whole matter is at present under consideration.