A manual of pharmaceutical testing for the man of business and his assistants : comprising simple instructions for the testing of the chemicals of the British Pharmacopœia etc. with such materials and appliances as are in common use at the dispensing counter / by Barnard S. Proctor.

Licence: Public Domain Mark

Credit: A manual of pharmaceutical testing for the man of business and his assistants : comprising simple instructions for the testing of the chemicals of the British Pharmacopœia etc. with such materials and appliances as are in common use at the dispensing counter / by Barnard S. Proctor. Source: Wellcome Collection.