Crookes no 17 The Crookes Mill Tube. Germany 1920 circa by Otto Pressler. This tube has several names, in German wasserrad. Röhre or mühl röhre which means water mill tube or. Mill tube, in English sometimes paddle wheel tube.
The wheel will turn clock or counterclockwise depending on the magnet poles which deflects the electron beam to the vanes. The goods are packed carefully, especially glassware and very fragile.
The item "Rare Crookes no 17 The Crookes Mill Tube, Germany 1920 circa, Otto Pressler" is in sale since Sunday, October 14, 2018. This item is in the category "Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Other Antique Science Equip". The seller is "tesla9004" and is located in Volpiano.
This item can be shipped worldwide.