Emendation II
- Words erased and insertion of a sentence according to Decree XXI, pag. 3r.
- Nicolaus Copernicus (Mikołaj Kopernik) (1473-1543).
- Nicolai Copernici Torinensis de Revolutionibus orbium coelestium libri sex.
- Basel: Heinrich Petri, 1566.
- Courtesy of the University of Rochester (The Department of Rare Books, Special Collections, and Preservation).
In cap.1, lib.1, pag.6. Ibi (si tamen attentius) corrige. Si tamen attentius rem consideremus, nihil refert terram in medio mundi, vel extra medium existere, quoad salvandas caelestium motuum apparentias: omnis enim & c.: In chapter 1, book 1, page 6: From “Nevertheless, if [we were to examine the matter] very carefully” (Si tamen attentius [rem consideremus]) correct it to “Nevertheless, if we were to examine the matter very carefully, it makes no difference whether the Earth exists in the middle of the universe, or away from the middle, as long as the appearances of the celestial motions are saved.”
This is an excellent example of a correction designed to undermine Copernicus’ main theory, underscoring, however, the relevance of the treatise as a tool to calculate the movements of the planets.