Reseau plate for measuring astronomical photographs, glass / silver / wood, used at the Sydney and Melbourne Observatory, made by P Gautier, France, 1887-1891. A Reseau plate stored in wooden box with a pivoting lid. The Reseau plate has been marked with a grid and numbered, 30-55 vertically on the left hand side, 1-25 horizontally along the top.
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(Accession num: H10271)
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