Measurements:

overall: 8 1/2 in x 3 in; 21.59 cm x 7.62 cm

Object Name:

Electron Tube

Crookes tube

crookes tube

Other Terms:

Electron Tube; Electron Tubes

Description (Brief):

Marked: "P1B5". Pear-shaped tube with flat, circular cathode and rod-type anode. External loops connect to power source. Cathode normally produces phosphorescent patch in top of glass bulb, but magnet can deflect it to various positions.

Location:

Currently not on view

Credit Line:

from Columbia University, Department of Physics, thru Alvin P. Tramm

ID Number:

EM.323683

Catalog number:

323683

Accession number:

249200

See more items in:

Work and Industry: Electricity

Data Source:

National Museum of American History

GUID:

http://n2t.net/ark:/65665/ng49ca746ab-b4f5-704b-e053-15f76fa0b4fa

EDAN-URL:

edanmdm:nmah_703976