A bell jar is a glass container that is used to hold and protect delicate items & Perform Research under a vacuum. It is named after its shape, which is similar to a bell. The bell jar was first invented in the 18th century, and it is still used today.
Borosilicate bell jars are made from a type of glass that is known for its strength and durability. This makes them ideal for use in laboratories, where they are often used to protect experiment materials from contamination.
While borosilicate bell jars are most commonly used in scientific settings, they can also be used for other purposes. For example, they can be used to display collector items or to create an airtight seal for storage.