Internet searches for images of Sarah Bagley return the picture below; however, this is not Sarah Bagley.
There is no known likeness of Sarah Bagley
Mrs. Frances Elizabeth Newbury Bagley
Some biographies state that Sarah and her husband were homeopathic physicians; however, I couldn't find any primary source documents to verify this.
It appears that James Durno manufactured patent medicines and that he and Sarah treated people with these. However, they were not homeopathic preparations.