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A cloche (from the French for "bell") is a tableware cover, sometimes made out of silver though commercially available as glass, stoneware, marble, or other materials. They often resemble a bell, hence the name.
Parisian market gardens in the 1800s used 18-inch diameter bell-shaped glass jars (cloches) to protect plants in cold weather. They were used to protect everything from young seedlings to mature plants. Notched wooden sticks were used to prop up and vent the jars on sunny days, and were placed back down on the soil before nightfall. [2]
A bell jar operating below atmospheric pressure. A vacuum bell jar is placed on a base which is vented to a hose fitting, that can be connected via a hose to a vacuum pump. A vacuum is formed by pumping the air out of the bell jar. The lower edge of a vacuum bell jar forms a flange of heavy glass, ground smooth on the bottom for better contact ...
The Bell Jar is the only novel written by the American writer and poet Sylvia Plath. Originally published under the pseudonym "Victoria Lucas" in 1963, the novel is supposedly semi-autobiographical with the names of places and people changed.
Glass bottles and glass jars are found in many households worldwide. The first glass bottles were produced in Mesopotamia around 1500 B.C., and in the Roman Empire in around 1 AD. [1] America's glass bottle and glass jar industry was born in the early 1600s, when settlers in Jamestown built the first glass-melting furnace.
Bell Jar can mean: bell jar, a piece of glassware used mainly for scientific purposes; The Bell Jar, a literary work by Sylvia Plath. The Bell Jar (film): a 1979 film ...