0 OF THE PHILADELPHIA SOCIETY FOR PROMOTING AGRICULTURE. CONTAINING COMMUNICATIONS ON VARIOUS SUBJECTS IN HUSBANDRY & RURAL AFFAIRS. TO WHICH IS ADDED, A STATISTICAL ACCOUNT OF THE SCHUYLKILL PERMANENT BRIDGE. VOL. I. "Let us cultivate the ground, that the poor, as well as the rich, may be Tentanda Via est, qua nos quoque possimus tollere Humo: |