Exercises in Parallel One-Point Perspective, Black ink and red crayon on paper (two additional sheets mounted on), Vertical rectangle. Two exercises in one-point perspective, showing a room interior, street scene, and various cube-shaped objects, with lengthy explanations for each exercise., USA, ca. 1880, architecture, interiors, Drawing, Drawing.
Exercises in Parallel One-Point Perspective, Black ink and red crayon on paper (two additional sheets mounted on), Vertical rectangle. Two exercises in one-point perspective, showing a room interior, street scene, and various cube-shaped objects, with lengthy explanations for each exercise., USA, ca. 1880, architecture, interiors, Drawing, Drawing