Abstract
SOME attempts made last year at photographing the heavens by means of an instrument quite rudimentary having yielded good results, the director of the Paris Observatory gave orders for the construction of a special apparatus, the design of which is shown in the accompanying figure (Fig. 1). The mechanical part has been executed in a highly remarkable manner by our accomplished artist, M. Gautier; the objective is our own production.
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HENRY, P. Astronomical Photography 1 . Nature 34, 35–37 (1886). https://doi.org/10.1038/034035a0
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DOI: https://doi.org/10.1038/034035a0