St. Peter's, drum, exterior bay, elevation with details (recto) St. Peter's, drum, section (verso) 1500 - 1560

This detailed architectural drawing from the 16th century provides a precise, measured plan for St. Peter's Basilica in Rome. Created by an anonymous artist, the sheet features an elevation and a section of the drum of the basilica, with meticulous annotations indicating dimensions and design elements. This type of technical drawing was essential for guiding the construction process, demonstrating the precision and detail required for large-scale architectural projects during the Renaissance. The drawing offers a glimpse into the creative process behind one of the most iconic structures in the world, highlighting the interplay between artistic vision and technical skill.