Visibility Meter

DLSPH Collection · Public Health

Accession Number: 2016.phlt.1.97.1-2

Description:

A brown leather case contains a black metal optical instrument. At one end of the instrument is a viewing port and at the opposite end is a port for admitting light. Covering one side of the instrument is a black plate attached to the instrument with brass screws. On the plate is a series of brass-coloured switches.

Inside the case is an additional viewing piece with a glass window. The glass on this piece is broken.

Primary Materials: Brass, Steel

Dimensions (cm):

Case: Length = 9.5, Width = 9, Height = 18.

Function:

This instrument is used to measure the level of ambient light in a space.

Condition:

Very Good: The buckle on the leather case is damaged. The second glass viewing piece is broken.

Manufacturer: Bennett-Casela. London, England.