Secret Symbols of the Rosicrucians

 Histscitech Efacs Geheimefiguren M 0019 This image is from the 18th century book titled Geheime Figuren der Rosenkreuzer, aus dem 16ten und 17ten Jahrhundert (Secret Symbols of the Rosicrucians from the 16th and 17th Centuries.) The University of Wisconsin Digital Library scanned and posted the entire tome, rich with stunning and cryptic illustrations, on their History of Science and Technology site.
Link to the book, Link to more info at BibliOdyssey