Details of exhibit
- Exhibition:
- 1906 Fifty-first Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- Modified Hüfner Spectrometer
- Exhibitor:
- Adam Hilger, Ltd.
- Section:
- Scientific and Technical Photography and its Application to Processes of Reproduction. By Invitation from the Council
- Exhibit No.:
- [197A]
- Exhibit No. 2:
- [1]
- Description:
- Designed for C. E. Kenneth Mess, Esq., B.Sc, and used by him for the measurement of Photographic Densities and of Colour Filters, Dye Solutions, etc.
The instrument consists of a Spectroscope with the addition of a device whereby the beam is divided into parts, the upper one passing through the substance to be measured, the lower one through a polarizing nicol.
The beams are then brought into juxtaposition and pass through an analysing nicol mounted on a divided circle, by turning which the gradual extinction of the polarized beam can be accomplished. - Exhibit type:
- Photograph
- Process:
- [Not Listed] ()
- Award:
- none
