Historical Mechanical Clock with Fan Regulator - Antique Timekeeping Design #9998 (License: Personal Use)

This black-and-white engraving depicts a complex 19th-century mechanical clock equipped with five subsidiary dials for hours, minutes, seconds, and possibly astronomical or chronometric functions. A prominent fan-shaped air governor on the right side regulates escapement speed via air resistance, a hallmark of pre-quartz precision timepieces. The device rests on a turned wooden base with ornate metal supports, emphasizing both utility and craftsmanship.

Used on museum exhibition pages, horology blogs, or educational resources about vintage timekeeping mechanisms; targets users researching antique clocks, mechanical engineering history, or steampunk-inspired design.