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Fall 2008
Did You Know?

refrigerator

The refrigerator was invented by Carl von Linde in 1876. He was a German engineer who discovered that liquefying gas in larger quantities created the technology of refrigeration. In ancient times, people kept their food free of bacteria, mold and yeast by storing their food in ice. Then in 1720 Dr. William cullen began to study the evaporation of liquids in a vacuum. Some 80 years later, Oliver Evans, a man from Pennsylvania created a compressed ether marching that cooled, however, the machine was never built. In London, Michael Faraday learned how to liquefy ammonia which caused cooling in 1820. In 1834 an ice making machine was invented by Jacob Perkins through ether vapor compression cycling. Another attempt was made at an ether cooling machine by James Harrison in 1844. In France, Edmond care invented an absorption process machine in 1850 then in 1852 William Thomson & James Prescott discovered that the cooling of an area is proportionate to the pressure difference in the said area. Which leads us to an important turn about in 1855. James Harrison of Australia who had invented a compressed ether machine in 1844 was commissioned by a brewery to build a machine that cooled beer.

In 1859 Farina Carre of France, developed the first ammonia/water refrigeration machine, which brings us to the most important discovery of this time, in 1873, Carl von Linde created the first practical and portable compressor refrigeration machine in Munich. Most of his models used methyl ether for powering but he changed that to an ammonia cycle due to an invention in 1874 from Raoul Pictet of Switzerland - a compressor system using sulfur dioxide instead of ammonia!

From there, many new ideals were enacted after 1894 when Linde AG installed the first refrigerator at the Guinness brewery in Dublin. Eventually, in 1922 General Electric company unveiled a refrigerator invented by a French mon named Abbe Audiffren. Many manufacturers had their hands in the modernization of refrigeration including General Motors, Frigidaire, Kelvinator, and Electrolux just to name a few. Then Dupont began to product commercial quantities of R-12 refrigeration, also known as Frean. The rest is history and by 1955, 80% of American homes now had some form of refrigerator. Today, 99.5% of American homes have a refrigerator thanks to the inventors of the past!

Events

Dates Closed

Thanksgiving - Thursday, November 27, 2008
                         Friday, November 28, 2008

Christmas - Friday 12 Noon, Wednesday, December 24, 2008
                    Thursday, December 25, 2008
                    Friday, December 26, 2008

New Years - Thursday, January 1, 2009

Ribbon Cutting for The Annapolis Design District Thursday December 4th 4:00 p.m. to 7:00 p.m.
www.annapolisdesigndistrict.com - please call the Annapolis location for details!



Going Green
php Induction cooking is definitely a way to go green in your kitchen. Induction is available on cook tops and ranges and is powered by electric. Over the past 10 years, induction cooking has carved out a following among chefs in Europe and Asia. More recently, the technology has taken hold in fine restaurants and culinary schools across the U.S. As technology continues to gain the favor of chefs, more home owners are sing its advantages. In fact, induction cooking was named on of the "Top New Trends in Kitchens" by the NKBA in 2006. With induction cooking there is no energy waste which makes induction a green appliance. In gas or electric doorstops, the heat is converted to energy and then transferred to the cooking vessel, so a lot of the heat goes to waste. This also heats your kitchen as much , if not more, than your food! As a comparison, 40% of the energy in gas gets used to cook, whereas with induction 84% of the energy.

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