Master Glassblower Wolfgang Linschmann Creates a Geissler Tube Electrical History Museum 46:48 4 years ago 554 Далее Скачать
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Wolfgang Linschmann Glassblower for Otto Pressler who makes Crookes and Geissler Tubes Jeff Behary 10:00 3 years ago 39 Далее Скачать
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Low pressure Crookes Tube, Uranium glass plasma fountain by Wolfgang Linschmann Jeff Behary 0:09 3 years ago 927 Далее Скачать
Lutz Neumann Geissler and Crookes Tube Glass Blower Part One Jeff Behary 1:56:50 2 years ago 88 Далее Скачать
Uranium Oxide (Vaseline glass) Vacuum Lamp / Geissler Tube Jeff Behary 0:12 3 years ago 1 563 Далее Скачать
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