Crookes' tube for showing the phosphorescence of various precious stones

PART OF:
Twenty four electrical radiometers illustrating Sir W.Crookes' research on electrical discharges in a vacuum
Made:
1879-1888

Crookes' tube for showing the phosphorescence of various precious stones

Details

Category:
Electricity and Magnetism
Object Number:
1888-169/67
type:
tubes
credit:
Sir William Crookes