This document appears to be a technical drawing, as it contains measurements, dimensions, and references to parts like gears and radii. The drawing number is #2 and it provides exact measurements in millimeters for various radii and linear distances that define the shape and dimensions of the part being drawn. It also lists materials like an "Engrane 22th" gear and references design standards like "ESPE-L" and a scale of "1:0.25".