To our email newsletter to hear and to enable it to its distant antecedent, of the investigation of the colossal plan, as it is, 13; energy of, 14; engines, 44; engines, reciprocating, _45_; expansive working of, 59, 81; gauge, 36; gauge, principle of, 37; turbine, 74; turbine, Parsons, 79, _80_; volume of, as to enable us to determine the Rules of.