<a href="https://en.wikipedia.org/wiki/Alessandro_Marchetti_(mathematician)" class="extiw" title="w:Alessandro Marchetti (mathematician)">Alessandro Marchetti (mathematician)</a> (1633 - 1714)
Unknown author<span style="display: none;">Unknown author</span>
before 1750 <div style="display: none;">date QS:P,+1750-00-00T00:00:00Z/7,P1326,+1750-00-00T00:00:00Z/9</div>
Tratta da <a rel="nofollow" class="external free" href="http://badigit.comune.bologna.it/facies/dettagli_ritrattati.aspx?IDImg=7379">http://badigit.comune.bologna.it/facies/dettagli_ritrattati.aspx?IDImg=7379</a>, photo or scan of pre 1750 image, Timbro della Biblioteca municipale di Bologna