PURPOSE: Show colors with their spectra.
DESCRIPTION: A number of transparencies are available to show on the spectrograph screen. Each transparency has a large color filter along with its spectrum. Overlay two filters to see their sum and the sum spectrum (wavelengths where both are present). A large number of filters are available showing positive and negative colors as well as various mixtures.
REFERENCES: (PIRA 6F10.52) See Demonstration Reference File for further information, including detailed instructions.
EQUIPMENT: Filtergraph with standard filters
SETUP TIME: None.
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