An Account of the Transit of Mercury over the Sun, Nov 9th, as Observed at Norriton, in Pennsylvania; By the Committee Appointed for That Observation. Drawn up and Communicated, by Direction and in Behalf of the Committee, by William Smith, D. D. Provost Coll. Philad
Published in Transactions of the American Philosophical Society, in 1769, in volume 1, pages 50-54
Date published:1769