...Faraday's language, that " the various forms under which the forces of matter are made manifest have a common origin, or, in other words, are so directly...related and mutually dependent that they are convertible one into another." Out of this doctrine naturally springs that of the conservation of force, so ably...

...Faraday's language, that " the various forms under which the forces of matter are made manifest have a common origin, or, in other words, are so directly...related and mutually dependent that they are convertible one into another." Out of this doctrine naturally springs that of the conservation offeree, so ably...

...Faraday's language, that " the various forms under which the forces of matter are made manifest have a common origin, or, in other words, are so directly...related and mutually dependent that they are convertible one into another." Out of this doctrine naturally springs that of the conservation of force, so ably...

...lovers of natural knowledge, that the various forms under which the forces of matter are made manifest have one common origin, or, in other words, are so...and possess equivalents of power in their action." Commenting on this theory, Tyndall says : "Faraday's difficulty in dealing with these conceptions was...

...lovers of natural knowledge, that the various forms under which the forces of matter are made manifest have one common origin, or, in other words, are so...convertible, as it were, one into another, and possess equivalence of power in their action.' His own researches on magneto-electricity, on electro-chemistry,...

...lovers of natural knowledge, that the various forms under which the force of matter are made manifest have one common origin ; or, in other words, are so...dependent, that they are convertible, as it were, into one another, and possess equivalents of power in their action." Now the evidence of that sublime...

...lovers of natural knowledge, that the various forms under which the force of matter are made manifest have one common origin ; or, in other words, are so...dependent, that they are convertible, as it were, into one another, and possess equivalents of power in their action." Now the evidence of that sublime...

...lovers of natural knowledge, that the various forms under which the forces of matter are made manifest have one common origin, or, in other words, are so...directly related and mutually dependent that they are, as it were, convertible into one another and possess equivalents of power in their action. Again, farther...

...lovers of natural knowledge, that the various forms under which the forces of matter are made manifest have one common origin ; or, in other words, are so...and possess equivalents of power in their action. . . . This strong persuasion extended to the powers of light, and led, on a former occasion, to many...

...amounting to conviction that the various forms under which the forces of matter are made manifest . . . are so directly related and mutually dependent, that...convertible, as it were, one into another, and possess equivalence of power in their action.'b Already Joule had stated the mechanical equivalent of heat...