High Speed Photography: Proceedings of the Eleventh International Congress on High Speed Photography, Imperial College, University of London, September 1974

The combination of color schlieren with high speed flash techniques has proved to be a valuable tool for investigating high speed transient events. Fully two dimensional refractive index information can be ob­ tained. The resolution on 35 mm film was sharp enough to allow 50 cm by 75 cm color enlargements. REFERENCES 1. Barnes, N.F., Jour. of the SMPTE, Oct. 1953, Vol. 61,487-511. 2. Cords, P.R., S.P.I.E. Jour., February-March 1968, Vol. 6. 3. North, R.J., NPL/Aero/266, 1954. 4. Settles, G....