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LicenseBennett-Casella visibility meter no.40, by Casella, England
Science Museum Group
© The Board of Trustees of the Science Museum
Bennett-Casella visibility meter no.40, by Casella, England
This simple visibility meter, designed in about 1933, consist of an eyepiece into which can be switched a number of neutral density filters. It is an earlier version of Gold’s design.
Details
- Category:
- Meteorology
- Object Number:
- 1995-804
- Measurements:
-
overall: 24.8 cm
- type:
- visibilty meter
- credit:
- Meteorological Office, Berkshire
