Gas mark
Temperature scale used on ovens / From Wikipedia, the free encyclopedia
The gas mark is a temperature scale used on gas ovens and cookers in the United Kingdom, Ireland and some Commonwealth of Nations countries.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/4/40/Parkinson_Cowan_Prince_gas_cooker_Harlow_Museum_%26_Walled_Gardens%2C_Essex_crop.jpg/220px-Parkinson_Cowan_Prince_gas_cooker_Harlow_Museum_%26_Walled_Gardens%2C_Essex_crop.jpg)
The gas mark is a temperature scale used on gas ovens and cookers in the United Kingdom, Ireland and some Commonwealth of Nations countries.