Containing the Names, Residence, and Business of Every Individual Firm, Or Company, Engaged in Any Occupation in the State, Giving Those Possessing this Work, Most Incalculable Advantages Over Others, and Imparting, in Its Various Departments, a Variety of Useful Information Rarely Attained in So Cheap a Publication : Together with a Short Advertising Register, Carefully Arranged for the Year 1850-51