...careful series of experiments to ascertain its origin. These experiments led him to the conclusion that " anything which any insulated body or system of bodies...limitation, cannot possibly be a material substance." But this man, to whom must be ascribed the discovery of the first great law of the correlation of energy,...

...friction in these experiments appeared evidently to be inexhaustible. It is hardly necessary to add, that anything which any insulated body or system of bodies...impossible, to form any distinct idea of anything capable of being excited and communicated in those experiments, except it be MOTION.' In 1813 also, Sir Humphrey...

...friction in these experiments appeared evidently to be inexhaustible. It is hardly necessary to add, that anything which any insulated body or system of bodies...impossible, to form any distinct idea of anything capable of being excited and communicated in those experiments, except it be MOTION.' In 1812 also, Sir Humphrey...

...appeared evidently to be inexhaustible. (The italics are Enmford's.) It is hardly necessary to add, that anything which any insulated body or system of bodies...not quite impossible, to form any distinct idea of any thing capable of being excited and communicated in those experiments, except it be MOTION." No...

...Vol. 18, p. 278.) In dieser Abhandlung sagt BS 99: „It is hardly necessary to add, that any thing which any insulated body, „or system of bodies,...appears to me to be extremely .,difficult, if not qnite impossible, to form any distinct idea of any thing, „capable of being excited, and communicated,...

...sustained. His own conclusion is thus expressed: "It is hardly necessary to add that anything which an insulated body, or system of bodies, can continue...possibly be a material substance; and it appears to me extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being...

...friction in these experiments appeared evidently to be inexhaustible. It is hardly necessary to add, that anything which any insulated body or system of bodies...limitation cannot possibly be a material substance j and it appears to me to be extremely difficult, if not quite impossible, to form any distinct idea...

...sustained. His own conclusion is thus expressed: " It is hardly necessary to add that anything which an insulated body, or system of bodies, can continue to furnish without limitation cannot possibly bo a material substance; and it appears to ino extremely difficult, if not quite impossible, to form...

...evidently to be intihaiittible. [The italics are Rnmford's.] It is hardly necessary to add, that any thing which any insulated body or system of bodies can continue...not quite impossible, to form any distinct idea of any thing capable of being excited and communicated in those experiments, except it be MOTION;" When...

...boiled by the heat of friction. Here then we have an example of the continuous production of heat. body or system of bodies can continue to furnish without...limitation cannot possibly be a material substance ; and it appeals to me to be extremely difficult, if not qnit'e impossible, to form any distinct idea of anything...