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.

Licence: In copyright

Credit: 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. Source: Wellcome Collection.