Note 221 — MEMOIR OF THE LIFE OF DAVID RITTENHOUSE; CONTINUED, FROM THE TIME OF HIS SETTLEMENT IN PHILADELPHIA.
Reading edition
Mr. Rittenhouse had probably a reference to the expected completion of this line, perhaps to the whole business, generally, when, in a letter to Mr. Ellicott, of the 31st of Jan. 1786, he says; “I shall be able, some time hence, to write to you more fully about the boundary lines.”