Show PURE FOOD EXPOSITION Chicago April iAn An International food exposition will be held In Chicago Nov No 39 9 to 25 this year This announcement was made last night upon receipt of a Dr Har lIar Harvey HarveY vey W v Wiley iley chief of ot tho the bureau bure u of chemistry cl pf 9 the United States Slates depart department department ment mont of agriculture who accepted an invitation to act on the committee of tests at the exposition In addition to the exposition it is 19 i planned to have a conference of the pure food commissioners of the several states |