Public Domain Mark
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Credit
The search for nitre, and the true nature of guano : being an account of a voyage to the south-west coast of Africa : also a description of the minerals found there, and of the guano islands in that part of the world / by T.E. Eden, Jr. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.