A Letter from Revd. Nevil Maskelyne, B. D. F. R. S. Astronomer Royal, to Rev. William Smith, D. D. Provost of the College of Philadelphia, Giving Some Account of the Hudson's-Bay and Other Northern Observations of the Transit of Venus, June 3d, 1769
Published in Transactions of the American Philosophical Society, in 1769, in volume 1, pages 1-4
Date published:1769