9 records found.
Records with Images
(Followed by: text only records)
Text Only Records
(Preceded by: records with image previews)
|6. Jackson X-Ray Tube with Rectangular Target and Stand, c. 1897||7. Vacuum Tube with Curved Negative Electrode, c. 1879||8. Geissler Tube with Uranium Glass Bowl on Stand, c. 1890||9. Vacuum Discharge Tube with Mineral on Stand, c. 1890|