Cathedral Quartz
Cathedral Quartz
A Wooden Clock Fits With Any Decor
Wooden Clocks Make Great Gifts
Wooden clocks make a fantastic gift to anyone. As hurried as today's population is, looking at the clock has become something most do not think twice about. But, do they see what they are looking at? Wooden clocks that are well made will stand out and provide the beautiful luxury that people appreciate. When purchasing these, look for high quality, American craftsmanship, and durability. Reliable performance in handmade clocks is an impressive, elegant gift to anyone.
Mantle Clocks
Mantle clocks, sometimes called mantel clocks, offer an air of sophistication and old world charm to them. For example, consider the Clayton. This beautiful timepiece is much more than a tool to tell time. It makes a statement sitting on any mantel. The craftsmanship of the wood is very high quality. The cabinet is handmade and all of the work done to the clock is done within the United States. The wood has a cherry finish to it and a brass finish dial. Within, you will find a quartz dual chime movement. There are two options for the sounds, the Bim-Bam or the Westminster.
Other options include the Seville, which is a wooden clock of solid cherry wood. It features a very beautiful design with cathedral windows. You can peer inside and see the very intricate pieces of the clock. It is a highly impressive clock. Or, for a complete different look, choose the Hudson Oak wooden clock. With its large face, it too is impressive in its design. The face of the clock is a soft almond color with Roman Numerals.
Anniversary Clocks
Another type of wooden clock to consider giving for a wonderful gift is an anniversary clock. These clocks are designed to provide a memorable sentiment while still providing something magical and unique. There is a large selection of anniversary clocks to select from, giving you plenty of options for your family, friends, coworkers and anyone else.
For example, you may wish to select a Desk Portrait type of clock. Not only does this stylish clock tell time perfectly and feature a golden book like design, but it also displays a beautiful photo, of anyone you want to remember to spend time.
Perhaps something more elegant is what you are looking for. In this case, consider the Jubilee or the Lord Baltimore II. The Jubilee is a dome clock with a brass finish. It has a brass finish to it, with two brass pillars. Notice the two-tone diamond cut dial ring on this beautiful clock, as it is its most spectacular finish. Instead, consider the Lord Baltimore II. This stately clock features a very handsome design in polished, bright brass.
Wall Clocks
Another option that you have for wooden clocks is the wall clock. These are graceful clocks, those that hang from the wall in any room and often are the focal point of the room. A variety of styles can be found. For a princely, stately look, consider the Ashmore. This clock is made in the USA and has the classic look to it. The wood is a warm cherry and the white clock dial really stands out from it. The numbers are in an Arabic form.
Another option is the Oakdale Keywind Movement clock. This clock is traditional and in the schoolhouse look. It has great detailing and provides a very specific look to any room, perhaps fitting well within a warm room, above a fireplace.
Wooden clocks do make fantastic gifts. Choosing the right one is a process of considering several options. Always choose products made in the United States and with timeless features to them, for the most impressive gift possible. You also want to insure that the clock is well made, even with handmade detailing. Best of all, choose the design that fits the room you will place it in best. Great looking focal points in any room are charming gifts.
About the Author
At
UnusualHomeDecor.com
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Pendulums Have a Swinging History
Copyright (c) 2009 Mike Bond
The pendulum was a most remarkable step. Right up until the 1930's, and with the advent of the quartz movement, the pendulum was the timekeeper for every clock
It's thought that Galileo Galilei was the first person to receive the spark of the idea from examining the movement of a chandelier in Pisa Cathedral in 1582.
In 1602, he began work in earnest on the device and developed the Metronome, which musicians ever since have found to be so valuable.
A derivative of this also proved invaluable to a physician friend of his, and the machine was named the Pulsilogium. As the name suggests, it was used for taking his patients' pulses.
In 1641, Galileo actually designed a clock regulated by a pendulum, but the poor old chap never lived to see his design in action. It could be said that every development has been made by people standing on the shoulders of giants. Christiaan Huygens perched on Galileo.
There are many different types of pendulum, but for the purposes of this article, we'll content ourselves with those that fit in Grandfather and Longcase clocks, and have a quick look at those used for mantel clocks.
Temperature is one of the enemies of timekeeping in mechanical clocks. Friction is the other. When the pendulum rod warms up, its length is increased, thereby causing the clock to run slow. When it cools down, the opposite happens. Let's see what can be done about this.
There are four main types used for the Longcases. The simple bob hung on a wooden rod. This makes for a very adequate timekeeper, because of wood's relatively low coefficient of expansion. This means that if the clock's situated in a cold room, overnight, say, the pendulum rod will contract and the clock will gain time. Once it starts to warm up in the morning,the reverse will happen.
Wood, though not the best material for pendulums, is nevertheless a most adequate timekeeper. From there, though, we find a metal named Invar, or later, Elinvar. Now this is really first class, because the coefficient of expansion here is negligible.
The Royal Pendulum beats in seconds, and has a theoretical length of 39.14". It's named for the Royal Observatory at Greenwich. The theoretical length of such pendulums are 39.14", taken from the centre of the suspension spring from which they hang, to the centre of the bob.
The third type of pendulum came along in about 1715 and was invented by the English clockmaker, George Graham. He added a jar of mercury to the bottom of the rod. When the rod cooled down, the mercury contracted, effectively increasing the length to compensate, and of course vice-versa.
Then, in 1726, John Harrison of chronometer fame, (we'll discuss him later), came up with what became known as the Gridiron pendulum. The gridiron type, invented by John Harrison, carried rods made alternatively of iron and zinc, which expanded and contracted at different rates. Zinc expands more than iron, so the same sort of thing happened. The one medium expanded and contracted more than the other, thus keeping the length constant.
Now, high quality wall clocks may enjoy the same sorts of compensation as their bigger brothers, the grandfathers, and indeed good quality French mantel clocks very frequently have mercury pendulums fitted to them.
These, then, are the four basic types of pendulum. I haven't entered into the mathematics of pendulum calculation; there's an excellent source for that which I'll give later. My intention here has been solely to give you some idea of what the pendulum is and what function it plays in the clock.
I'm indebted to Wikipedia for some of the historical information in this article, and a lot of mathematical formulae may be found on their site.
About the Author
A metal named Invar, and later Elinvar, came on the market and this has virtually no coefficient of expansion whatever.
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