| Barometers are weather instruments used to | | | | accurate as the mercury barometers. The |
| measure air pressure, with the help of the | | | | mercury barometers or precision barometers |
| column of air above it. This is based on the | | | | have a column of mercury. This must be about |
| fact that the higher we go, the thinner is | | | | 32 inches tall. The aneroid barometers use a |
| the earths atmosphere, the air gets lighter | | | | bellows and heavy spring that expands and |
| and the pressure is lower. In simple terms, | | | | compresses along with air pressure changes. |
| barometers tell you whether the pressure is | | | | |
| rising or falling. Therefore, a rising | | | | Digital barometers are the modern |
| barometer would tell you that you could | | | | counterparts of the conventional barometer |
| expect dry sunny weather conditions, while a | | | | and are easy to read. |
| falling barometer indicates stormy and wet | | | | |
| weather conditions. | | | | Along with the barometer, gardeners use |
| | | | garden rain gauges. These make great room |
| Barometers have been used in homes for | | | | accessories and gifts. These calibrated rain |
| centuries. Today the antique barometer is a | | | | gauges can be staked into your garden and are |
| much sought after addition to enhance the | | | | easy to read. Rain gauges can measure how |
| look of a living room. You can use the | | | | much rain your garden is getting and also the |
| ordinary clock face barometer in your car to | | | | amount of rain over a particular time period. |
| tell you the changes in altitude during | | | | |
| cross-country driving. This is measured in a | | | | Water barometers are decorative items that |
| unit called hectopascals. | | | | enhance your room decor. They tell you when |
| | | | it is going to rain without having to wait |
| Barometers are typically used to measure | | | | for the weather report. The weather glass |
| change in air pressure in a given area. | | | | barometer is a functional instrument that |
| Different areas of the earth have high and | | | | looks quite stylish. It comes with a brass |
| low pressure systems in the atmosphere and | | | | hanger with which it can be hung up. All you |
| this can be read on the barometers face. | | | | need to do is fill the barometer with colored |
| Taken along with the wind temperature, | | | | water to the specified level and hang it on |
| moisture and signs of the clouds, barometers | | | | your wall. |
| can be very useful to forecast the weather. | | | | |
| | | | Another easy way to enhance your decor is to |
| The Italian mathematician Torricelli invented | | | | use outdoor clocks. You get antique porthole |
| the Barometer in 1645, when he discovered the | | | | clock barometers that can both tell you the |
| principle of the barometer. He used a long | | | | time and measure the changes in pressure. |
| glass tube closed at one end, which he placed | | | | Your outdoor clock can be placed over your |
| upside down in an open container with liquid. | | | | outdoor fireplace or on the wall of your |
| The pressure of the air on the liquid inside | | | | patio. These add a fine touch to your decor. |
| the container made it go up the tube and the | | | | Outdoor clocks come in durable weather |
| changes in the liquid level could be used to | | | | resistant material so that you do not have to |
| measure air pressure changes. | | | | worry about placing them outside in any |
| | | | season, be it summer and winter. |
| The latest barometers are mercury barometers | | | | |
| as they are found accurate. Of course, they | | | | Today, weather is mostly studied with the |
| need to be handled with care since they are | | | | help of weather satellites and computers. In |
| quite expensive. The most common barometers | | | | spite of this, however, the traditional |
| used are the aneroid barometers that have no | | | | barometer will always have a cherished place |
| fluid in them, although they are not as | | | | of honor. |