Reduction of the Photographic Records of the Barometer, 1874 to 1876, and of the Dry-bulb and Wet-bulb Thermometers, 1869 to 1876 Made at the Royal Observatory, Greenwich, Under the Direction of W.H.M. Christie ... Astronomer Royal. (Forming Appendix I. to the Volume of Greenwich Observations for the Year 1887).
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