- Subject
- Laboratory equipment
- Item type
- Object
- Provenance
- Amongst the possessions of R. T. Gunther on his death. Accession and previous provenance yet to be established conclusively. Formerly in the Conrad Cooke Collection
- Primary inscriptions
- Engraved on glass: "Conrad W. Cooke/May 1879/CHG''
- Object type
- Vacuum tube
- Dimensions
- Diameter: 43mm Width: 180mm Weight: 29g
- Inventory No
- 76040
- Accession Number
- 1927-18
Description
Tube with has glass barrier with hole and small aluminium star in cathode rays. Tube is bulbous at one end and ends in a point. Metal rods ending in a loop protrude from each end. Engraved on glass: "Conrad W. Cooke/May 1879/CHG".
