Techniques used to create several large format, 50 X 60 cm, silver halide masters for transfer into a large format, 45 X 54 cm, DCG hologram are discussed. The subject, a fossilized dinosaur egg, is one of the largest such artifacts ever found. In order to present all facets of the subject, the outer egg shell, the articulated embryo bones and a model of an artist's concept of the embryo inside the shell, several masters were produced to create in the end a double exposure, multichannel transfer image. An emphasis is placed on a practical approach to the production of the holograms.
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