XVI. A determination of the solar parallax attempted, by a peculiar method, from the observations of the last transit of Venus: By Andrew Planman, Professor of Natural Philosophy, in the University of Aböa, and Member of the Academy of Sciences at Stockholm; together with a letter from him to Mr. James Short, F. R. S.Planman · Philosophical Transactions of the Royal Society of London1768PDF1.3 MB
A Determination of the Solar Parallax Attempted, by a Peculiar Method, from the Observations of the Last Transit of Venus: By Andrew Planman, Professor of Natural Philosophy, in the University of Aboa, and Member of the Academy of Sciences at Stockholm; together with a Letter from Him to Mr. James Short, F. R. SPlanman · Philosophical Transactions of the Royal Society of London1768PDF2.3 MB
An Account of the Observations Made upon the Transit of Venus over the Sun, 6th June 1761, at Cajaneburg in Sweden, by Mons. Planman: Communicated in a Letter from Mr. Peter Wargentin, Secretary to the Royal Academy of Sciences in Sweden, and F. R. S. to Mr. John Ellicott, F. R. S. Translated from the FrenchPlanman et al. · Philosophical Transactions of the Royal Society of London1761PDF179 KB