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RGO Archives/RGO 45 contains:
<-- See earlier
150 Gravitation Effects-Orbits and Escape
151 Local Circumstances of a Partial Solar Eclipse
152 Occultations and Eclipses of Iapetus
153 Predictions of Periodic Comets
154 On the presentation of elements of comets and ephemerides
155 Refraction at Low Altitudes
156 Sputniks and Space Travel
157 Transits of Earth as seen from Mars
158 Notes on the Bauschinger Method
159 Papers on Hansen's method
160 Papers on Special Perturbations
See later -->
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Papers of John Guy Porter

Title Refraction at Low Altitudes
Reference RGO 45/155
Extent and Medium 2 pages
Content and context

'Refraction at Low Altitudes', an undated paper by Porter on the calculation of refractions.

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