'The Variation of the Polar Star determined in observing the hour of the Night: or The Nocturnal rectified, designed as a great help to put in Practice the Theory of the Longitude' by T Wright

'The Variation of the Polar Star determined in observing the hour of the Night: or The Nocturnal rectified, designed as a great help to put in Practice the Theory of the Longitude' by T Wright, 1734, RBO/19/18, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/rbo_19_18/the-variation-of-the-polar-star-determined-in-observing-the-hour-of-the-night-or-the-nocturnal-rectified-designed-as-a-great-help-to-put-in-practice-the-theory-of-the-longitude-by-t-wright, accessed on 16 June 2026

https://makingscience.royalsociety.org/items/rbo_19_18/the-variation-of-the-polar-star-determined-in-observing-the-hour-of-the-night-or-the-nocturnal-rectified-designed-as-a-great-help-to-put-in-practice-the-theory-of-the-longitude-by-t-wright

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