The house tax defended, and the cause of the working-classes advocated with general observation on taxation & political economy, shewing that the sciences of political economy and national government are far behind hand, and almost in their infancy, compared with the sciences now connected with production, and that, consequently, we have learned how to produce, but not how to distribute : allusions to the Thames Tunnel, the clergy, slave emancipation, Christian missions, steam power, vaccination, and the Gravesend pier : with a problem of great importance, proposed to the whole kingdom /