Bell jar
id:
bell-jar-176-17165433
title:
Bell jar
text:
A bell jar is a glass jar, similar in shape to a bell, and can be manufactured from a variety of materials. Bell jars are often used in laboratories to form and contain a vacuum. It is a common science apparatus used in experiments. Bell jars 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, bell jars may also
brand slug:
wiki
category slug:
encyclopedia
description:
Glass jar used in scientific experiments
original url:
https://en.wikipedia.org/wiki/Bell_jar
date created:
2005-10-25T15:38:05Z
date modified:
2024-09-03T21:19:44Z
main entity:
{"identifier":"Q25381735","url":"https://www.wikidata.org/entity/Q25381735"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/bf/Kolbenluftpumpe_hg.jpg","width":2180,"height":1822}
fields total:
13
integrity:
16