Details of exhibit
- Exhibition:
- 1909 Fifty-fourth Annual Exhibition of the Royal Photographic Society of Great Britain
- Exhibit title:
- In the centre panel an apparatus is arranged by which a bright spectrum is thrown on a piece of ground glass.
- Exhibitor:
- Wratten & Wainwright, Ltd.
- Section:
- Photographic Apparatus and Material
- Group Title:
- Makers of Ordinary and Colour-sensitive Plates and of Light-filters and Dark-room Safelights for all purposes
- Exhibit No.:
- [865]
- Exhibit No. 2:
- [13]
- Description:
- By means of a handle, differently coloured Filters, the colour of which can be seen in a lower opening, are brought into the path of the spectrum. The connection between colour and absorption can thus be observed.
- Exhibit type:
- Photographic equipment and supplies
- Process:
- [Not Listed] ()
- Award:
- none
