File:Sprengel vacuum pump.png - Wikimedia Commons
Edison's vacuum technology patents
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1816 [Menlo Park,] Oct 2d 1879 Changes in [---]a pump in two weeks.1 Combination with Geissler.2 Macleod Guage.3 Cu. tube for ab
A vacuum pump invented by Hanover-born chemist Hermann Sprengel in 1865. This pump could be run continuously and without any supervision to achieve th Stock Vector Image & Art - Alamy
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Engraving depicting Hermann Sprengel's exhausting pump. Hermann Sprengel (1834-1906) a..., Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA-099-0220 | agefotostock
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This Illustration Represents Hand Operated Pump Where People Could Work It To Extract Water Vintage Line Drawing Or Engraving Illustration. Royalty Free SVG, Cliparts, Vectors, And Stock Illustration. Image 132813099.
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Sprengel vacuum pump
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The Sprengel Pump Is A Vacuum Pump That Uses Drops Of Mercury Falling Through A Smallbore Capillary Tube To Trap Air From The System To Be Evacuated Stock Illustration - Download Image
On A Method Of Obtaining And Measuring Very High Vacua With A Modified Form Of Sprengel-Pump
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1 The History of Vacuum Science and Vacuum Technology
Engraving depicting Hermann Sprengel's vacuum pump. Hermann Sprengel (1834-1906) a German-British..., Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA-099-0219 | agefotostock
Sprengel pump - Wikipedia
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Edison After Forty: Edison in his Eighties: Image 3
