RGO Archives/RGO 45 contains:
<-- See earlier
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
161	Notes on Stromgren's Method
162	Notes on variation of elements
163	Notes on the J.G. Porter Method
164	Notes on the Crommelin-Merton Method
165	Notes on Comet N.A.O. I.
See later -->

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Papers of John Guy Porter

Title	Papers on Special Perturbations
Reference	RGO 45/160
Extent and Medium	14 pages

Content and context

Notes and tables on Special Perturbations written by Porter in connection with his work on methods of comet orbit calculation at the N.A.O.

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