Memoirs of the life of David Rittenhouse, LLD. F.R.S., late president of the American Philosophical Society, &c.Note 57 — MEMOIRS OF THE LIFE OF DAVID RITTENHOUSE; ANTERIOR TO HIS SETTLEMENT IN PHILADELPHIA.Reading editionSee the preceding note.◇Copy noteReturn to MEMOIRS OF THE LIFE OF DAVID RITTENHOUSE; ANTERIOR TO HIS SETTLEMENT IN PHILADELPHIA.