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Photographic magnitudes of stars brighter than 9%m%.0 between declination +75p0(B and the pole determined at the Royal observatory, Greenwich, under the direction of F. W. Dyson

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Photographic magnitudes of stars brighter than 9%m%.0 between declination +75p0(B and the pole determined at the Royal observatory, Greenwich, under the direction of F. W. Dyson

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Photographic magnitudes of stars brighter than 9%m%.0 between declination +75p0(B and the pole determined at the Royal observatory, Greenwich, under the direction of F. W. Dyson

Photographic magnitudes of stars brighter than 9%m%.0 between declination +75p0(B and the pole determined at the Royal observatory, Greenwich, under the direction of F. W. Dyson