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Knowing the Clocks, Watches and Musical Boxes

Aug 17, 2007
We have some knowledge about the clocks, watches and the musical boxes. we also know how they look and works in general. But here we will look into the details of their history and other uses, etc. and what we might not have known.

Clocks, watches, musical boxes
IN the first instance clocks were made to be placed prominently in outdoor positions to tell the time to the people at large. In due course, smaller examples were made for use in the home, and eventually a further reduction in size led to the introduction of the personal pocket-watch.

The earliest clocks with movements driven by the power from a falling weight had neither hands nor dial, and marked the hours by striking a bell. Eventually, a face to show the hours was added, and at a later date the hours were divided into minutes and a further hand affixed to indicate them. These clocks were heavy iron-framed affairs, usually placed high inside a tower within which the weight had a good distance to travel before it needed rewinding.

Regulation to prevent the weight crashing down from top to bottom of the tower was achieved by a device known as a Foliot balance. In this, the final wheel in the train was set on a horizontal spindle. The wheel, called the crown wheel because of its appearance, was cut with comparatively long angled teeth into which fitted alternately two flat plates (or pallets) on an upright spindle. At the top of this latter spindle was a shaped arm with adjustable weights at either end for regulating the speed of the clock. For smaller indoor clocks a wheel replaced the swinging arm, and making the weight lighter or heavier controlled the speed.

Early in the sixteenth century appeared the first clocks using a coiled spring instead of a weight. The fact that the power exerted by a spring grows less as it uncoils was the subject of much research, and a device known as the fuse was the successful outcome.

It takes the form of a cone-shaped drum with grooves on to which the gut or chain from the mainspring drum is wound. As the spring is uncoiled it reaches the larger circumference and this equalizes the weakened pull. The use of springs and fuses encouraged the making of portable clocks and these, first made in Germany, soon became popular. Their time keeping, like that of all other clocks, was erratic and the sundial remained an essential standby.

The Italian astronomer, Galileo, discovered the important property of the pendulum, but its application to clock making was due to a Dutchman, Christiaan Huygens. By November 1658 Johannes Fromanteel, a clockmaker of Dutch origin who lived and worked in London, was advertising that he had for sale 'Clocks that go exact and keep equaller time than any now made without this Regulator'. This was a true statement, but throughout the eighteenth century improvements of one kind and another led to greater accuracy and reliability. The names of Tompion, Graham, Quare, and many others attained a well-deserved fame, and specimens of their workmanship are sought eagerly today.

Many experiments and discoveries have led to this stage where we are getting the kinds of clocks, watches etc. The first portable clock was made in Germany and they keep on improving them as time passes by.
About the Author
Mitch Johnson is a regular writer for http://www.kitchen-plans-n-designs.com/ , http://www.interactivecollectables.info/ , http://www.bathroomaccessoriesmadeeasy.info/
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