The metadata below describe the o r iginal scanning. Follow the ",All Files: HTTP", link in the ",View the book", box to the left to find XML files that contain mo r e metadata about the o r iginal images a nd the derived fo r mats (OCR results, PDF etc.). See also the What is the directo r y structure fo r the texts? FAQ fo r info r mation about file content a nd naming conventions.
The third edition, the first appeared in 1679, the second in 1784