Crookes' tube for testing whether cathode rays are emitted at right angles to a surface

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

Crookes' tube for testing whether cathode rays are emitted at right angles to a surface

Details

Category:
Electricity and Magnetism
Object Number:
1888-169/51
type:
tubes
credit:
Sir William Crookes