Janus: Papers of John Guy Porter

RGO Archives/RGO 45 contains:
<-- See earlier
148	Conjunctions of Neptune with a star
149	The False Dawn
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
See later -->

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