| The process of preserving food has been one that | | | | the world's first commercial fridges to the market, |
| has challenged the human race for countless | | | | that utilized a sulfur dioxide cooling process. These |
| generations. From salting to pickling, the act of | | | | particular fridges were incredibly expensive; at a cost |
| manipulating food so that it lasts through harsher | | | | of close to one thousand US dollars, they were, at |
| environments has been crucial to ensuring survival. | | | | the time, approximately twice the cost of a car. |
| However, the invention of the first fridge in the | | | | General Electric continued to refine and upgrade the |
| 1700s marked a drastic change in the ways people | | | | fridges they offered to the public, and by 1923, they |
| were able to keep food, and has since evolved into | | | | released the 'Monitor Top,' which, due to it's more |
| modern times to be one of the sought appliances for | | | | affordable nature than previous models, sold over |
| the home; many could not imagine living without | | | | one million in it's those early few years, and has been |
| owning a fridge. | | | | regarded as the first mass produced modern fridge |
| Chemist and physicist William Cullen created the first | | | | unit. |
| fridge cooling system whilst he was working and | | | | In the 1930s, the discovery and utilization of freon |
| studying at the University of Glasgow in 1756; at it's | | | | led to the creating of even more effective fridges, |
| core was a vapor cooling compression device that | | | | which were, after the Second World War, mass |
| was ground breaking at the time. This first fridge | | | | produced within USA, England and Australia. However, |
| existed academically for quite some time and was | | | | since then scientists have discovered the harmful |
| not improved upon until nearly a hundred years later | | | | nature of freon (in particular with CFCs), and the |
| when Dr. John Gorrie demonstrated to an university | | | | production of these types of fridges is now banned. |
| audience the first experimental ice making device. | | | | These days, a modern fridge seems to be more high |
| This device, coupled with Cullen's vapor cooling device | | | | tech and based in science fiction than reality, as they |
| was the the basis for the very first ice box, which | | | | are on the cutting edge of technology due to |
| by the earlier 1900s, were in a third to a half of all | | | | competition in the refrigeration industry. Decked out |
| American homes. These ice boxes were generally | | | | with LED lights, stainless steel cases and endless |
| effective at storing food at a stable temperature, | | | | internal gadgets, they really are a sight to behold and |
| although were expensive to use due to the cost of | | | | seem monolithic next to the humble ice box. |
| purchasing large blocks of ice to ensure the cold | | | | Nonetheless, they are a necessity in all of our lives, |
| temperature within. | | | | and have had a massive impact on society since they |
| In 1911, American company General Electric released | | | | were first received by the public. |