Oblong hearts. RA-4 reversal prints: two 16x20s & one 8x10 test. The 35mm negative used (more accurately a positive) is a chemigram. A 'red' object was used for the photogram.

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Iridescencies. RA-4 reversal prints from.Two miniatures comprise the photogram portion. Last slide shows what's projected over them: two stacked 35mm chemigrams- one on Kodachrome and the other on B&W film.