FOR THE USE OF ༩༧ ༩t^་༢ COLLEGES AND ACADEMIES. VOLUME FIRST. CONTAINING FOUR PARTS; VIZ: I. RATIONAL ARITHMETIC, IV. PRACTICAL ALGEBRA. ་་་་་འ་་་་་་་་་་་་་་་་་་་་་་་ Baltimore: PRINTED BY JOHN WEST BUTLER, AND SOLD BY MR. J. CONRAD AND CO. No. 138, MARKET-STREET, |