PUBLISHED BY THE EDITORS AND PROPRIETORS, D. K. MINOR, & G. C. SCHAEFFER, 120 NASSAU-STREET, (Up Stairs.) 1838. - CONTENTS. Artificial Hydraulic Mortars and Cements, Auburn and Rochester Railroad-Report of Address of George Peabody-Extract from Alvernon, P-Improvement in attaching cars in a train, Aycrigg, Lieut. Col. B.-Communication from |