Lummer-Brodhun Photometer

Physics

Accession Number: 2009.ph.97

Description:

A black metal box with an eyepiece on one end. On either side of the box are equally-sized holes. There is a gap between the holes into which a slide with a white circular middle part is inserted. A C-shaped bracket wraps around the box.

Alternative Name:

Primary Materials: metal

Markings:

Dimensions (cm):

length = 14.5 cm, height = 6 cm, width = 11 cm

Function:

Used for calculating the luminosity of a light source by comparing it to a source of known brightness.

Condition:

Associated Instruments:

Manufacturer: Max Kohl A.G. Chemnitz

Date of Manufacture: c. 1910

Provenance:

University of Toronto Department of Physics

Historical Notes:

  • Donated to UTSIC