| Collection | ABDNP University of Aberdeen, Natural Philosophy Collection of Historical Scientific Instruments |
| Object Name | discharge tube demonstration |
| Object Number | ABDNP:200123d |
| Brief Description | One of two tubes have a spiral glass feature; presumed to have been acquired as a set with five others |
| Dimensions | Height 350mm, Diameter 100mm |
| Materials | glass; wood; metal |
| Completeness | complete |
| Object Production Place | London (?) |
| Object Production Date | 1897-1910 |