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Alum in baking powder : The complete text of the "Trial examiner's report upon the facts", including a review of scientific testimony concerning alum in baking powder and its physiological effects / as submitted on November 12, 1925, by trial examiner Edward M. Averill to the Federal Trade Commission, Washington, D. C., in the matter of Royal Baking Powder Company, docket no. 540; accompanied by facsimiles of two orders of the Federal Trade Commission, printed with special type arrangement and published, with added foreword, notes and indices, by Royal Baking Powder Company.
- Averill, Edward Marshall, 1868-1937.
The microscopical examination of foods and drugs : a practical introduction to the methods adopted in the microscopical examination of foods and drugs, in the entire, crushed and powdered states / by Henry George Greenish ; with 209 illustrations.
- Greenish, Henry G. (Henry George), 1855-1933.