§ Mr. SMITHERSasked the Chancellor of the Exchequer whether, in view of the fact that wine lees, argol, and tartrate of lime are raw materials and are not available in this country or in the Empire, and that exports, including citric acid, amount to nearly £400,000 per annum, and that a 10 per cent, duty will extinguish the export trade, he will put these articles on the free list?