King and Queen Inspect Mobile Tea Car - The Queen being shown part of the mobile tea car's equipment by Lady Blane (in Y.M.C.A. uniform) while the King (on left) chats with Major-General Sir John Brown. The King and Queen inspected a Y.M.C.A. mobile tea-car unit for the troops in the grounds of Buckingham Palace today (Friday) before its departure for France. The tea-car inspected by their Majesties was one raised by auction by the Lord Mayor of London, at the Tea Exchange. March 11, 1940. (Photo by London News Agency Photos Ltd.).