Boston : Dutton and Wentworth, printers to the state,
Abstract
At head of title: Senate ... no. 4.cover-title.Report of the directors ...--Report of Edward H. Robbins and James Hayward, esqrs., who were appointed to visit the works of Internal Improvement in the states of Pennsylvania and Maryland. Communication of Col. Long, president of the Board of engineers of the Baltimore and Ohio rail road company.--Description of the performance of three locomotive engines on the Liverpool and Manchester rail road.Mode of access: Internet