Which figure is depicted in the Mechanics scene?

The Mechanics scene in the Capitol is closely associated with Vulcan, the Roman god of fire and craftsmanship. He is often depicted as a skilled artisan, representing the themes of innovation and the mechanics of construction. This aligns with the purpose of the scene, which celebrates the achievements and advancements in technology and industry, acknowledging the vital role that craftsmanship plays in society.

Vulcan's significance as the deity of fire and a master of metalwork makes him a fitting symbol for the mechanics of construction and engineering depicted in the scene. In contrast, while Mercury, Neptune, and Minerva are also significant Roman deities, they embody different aspects that do not specifically relate to the theme of mechanics. Mercury is the god of commerce and communication, Neptune is the god of the sea, and Minerva represents wisdom and warfare. Their attributes do not align as closely with the practical applications of mechanics and craftsmanship, making Vulcan the most appropriate figure represented in this context.