Mahogany Bracket Clock by Charles Frodsham & Son

• Date Aperture - A date aperture is a cut out section in the face of a watch or clock, displaying the day of the month.
• Mahogany - Mahogany is a dense, close grained red-coloured timber from the West Indies and Central America. It was first imported into Europe in the the early 18th century and its use continued through the 19th century. It was popular for furniture making because of its strength, the wide boards available, the distinctive grain on some boards, termed flame mahogany and the rich warm colour of the timber when it was polished.. The "flame" was produced where a limb grew out from the trunk of the tree, and this timber was usually sliced into veneers for feature panels on doors, backs and cornices.
  
  Some terms used to describe mahogany relate to the country from which it originally came, such as "Cuban" mahogany, "Honduras" mahogany etc. However unless the wood has been tested the names assigned are more a selling feature, rather than a true indication of the timber's origin.
• Calendar Aperture -
  A calendar aperture on a clock refers to a small window on the clock face that displays the day, month or year or all of these. The aperture is usually located on the clock's dial with the date data recorded on a wheel which is designed to rotate to show the correct date information.
  
  
  Some clocks have a manual adjustment for the date, while others are designed to automatically adjust for the date, including for leap years. The calendar aperture is a useful feature found on clocks from the 16th century, and on many types of clocks, including wall clocks, alarm clocks and wristwatches.

This item has been included into following indexes:

• clocks, type - bracket 335
• Frodsham, Charles (London) - clocks and watches 29