“Wheel and axle (1872)” is part of Reynolds’s series of colorful diagrams that illustrate the fundamental mechanical powers. Created in the late 19th century, this piece reflects the artist’s interest in making complex scientific concepts accessible and visually engaging.

Reynolds was known for his skillful use of color and clarity in educational illustrations. This particular diagram demonstrates his talent in combining art and science, helping viewers understand the simple yet powerful principle behind the wheel and axle. It stands as a testament to his dedication to visual learning and the dissemination of scientific knowledge during his time.