Elements of the art of assaying metals / Written originally in Latin. With notes and observations not in the original, by Cromwell Mortimer. To which is prefixed a list of the chief English authors who have written upon minerals and metals.

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Elements of the art of assaying metals / Written originally in Latin. With notes and observations not in the original, by Cromwell Mortimer. To which is prefixed a list of the chief English authors who have written upon minerals and metals. Public Domain Mark. Source: Wellcome Collection.