Cathode ray tube

Physics

Accession Number: 2009.ph.18

Instrument Name: Cathode ray tube

Description:

A five-mineral fluorescing cathode ray tube or Crookes tube consisting of a par-shaped upright glass bulb mounted above a turned wooden base. Within the bulb, there are five minerals held by glass fingers. At the top and side of the bulb are electrodes contained within cylindrical glass arms.

Alternative Name: Crookes tube

Primary Materials: Wood, Glass, Metal, minerals

Markings: Old inventory number = phy28.

Dimensions (cm): Height = 33, Base Diameter = 13

Function:

5 Minerals fluoresce under the bombardment of cathode rays. Possibly used for spectroscopy demonstrations.

Condition:

Associated Instruments:

Manufacturer:

Date of Manufacture:

Provenance:

Donated to UTSIC: No

Historical Notes: