File:Kolbenluftpumpe hg.jpg
From Infogalactic: the planetary knowledge core
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Summary
Vacuum pump and bell jar for vacuum experiments, used in science education during the early 20th century, on display in the Schulhistorische Sammlung (School Historical Museum), Bremerhaven, Germany.
Licensing
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:00, 22 December 2016 | | 2,180 × 1,822 (714 KB) | 127.0.0.1 (talk) | Vacuum pump and bell jar for vacuum experiments, used in science education during the early 20th century, on display in the <i>Schulhistorische Sammlung</i> (School Historical Museum), Bremerhaven, Germany. |
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