A mercury switch (also known as a mercury tilt switch) is a switch which opens and closes an electrical circuit through a small amount of liquid mercury.Contents.he envelope may also contain air, an inert gas, or a vacuum. Gravity is constantly pulling the drop of mercury to the lowest point in the envelope. When the switch is tilted in the appropriate direction, the mercury touches a set of contacts, thus completing the electrical circuit through those contacts.
Irish stew is the product of a culinary tradition that relied almost exclusively on cooking over an open fire. It seems that Irish stew was recognized as early as about 1800.
The introduction of the potato in the second half of the 16th century heavily influenced Ireland's cuisine thereafter and, as a result, is often closely associated with Ireland. Representative Irish dishes include Irish stew, bacon and cabbage, potato, boxty, coddle, and colcannon.rish cuisine is a style of cooking originating from Ireland or developed by Irish people. It evolved from centuries of social and political change. The cuisine takes its influence from the crops grown and animals farmed in its temperate climate.