How do atmos clocks work?

An Atmos clock runs entirely on changes in room temperature and atmospheric pressure. A hermetically sealed chamber expands and contracts with these shifts, winding the mainspring continuously. This clever mechanical design means the clock requires no manual winding or batteries to maintain continuous operation over many decades.

Where were carriage clocks used?

Carriage clocks originated as portable timepieces for travellers during the nineteenth century. Wealthy individuals packed them into leather travel cases for journeys by coach or train. Over time, they transitioned from practical travel accessories into decorative mantel ornaments displayed in studies and drawing rooms.

What is a grande sonnerie movement?

A grande sonnerie is a highly complex clock mechanism that strikes both the hours and the quarters automatically as time passes. It often includes an alarm feature for waking or scheduling. Watchmakers reserve this intricate complication for their finest luxury pieces, requiring exceptional skill to assemble and tune properly.

How should I clean a brass clock case?

Brass cases require gentle dusting with a soft, dry cloth to prevent the accumulation of grit and grime. Avoid harsh chemical polishes that can strip original gilding or lacquer coatings. Leaving a natural patina intact helps preserve the historical character of older metal surfaces without causing abrasion.