This is a drawing of a mission-style bell tower. The drawing features an architectural structure with the year "1769" and the phrase "mision san diego de alcala" inscribed on a banner at the bottom. The composition displays clean and precise lines, giving a sense of symmetry and balance. The shading and texturing contribute to the evocation of depth and solidity within the structure. The artwork displays a stylized graphic representation reminiscent of historical or architectural blueprint designs.