BELL JAR

BELL JAR

• A sturdy glass Bell Jar with a ground glass stopper with dimensions 250 x 150mm.
  (*Note: Product design may vary)

(Wikipedia excerpt: .."...A bell jar [BJ] is a glass jar, similar in shape to a bell (i.e. in its best-known form it is open at the bottom, while its top and sides together are a single piece), and can be manufactured from a variety of materials (ranging from glass to different types of metals). [BJ] are often used in laboratories to form and contain a vacuum. It is a common science apparatus used in experiments.[1]

[BJ] have a limited ability to create strong vacuums; vacuum chambers are available when higher performance is needed. They have been used to demonstrate the effect of vacuum on sound propagation.

In addition to their scientific applications, [BJ] may also serve as display cases or transparent dust covers. In these situations, the [BJ] is not usually placed under vacuum....")

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