A minority of the court went still further, and gave him the right to the motive power of magnetism as a means of operating machinery to imprint signals or to produce sounds for telegraphic purposes.

The testimony of experts in science and art is not introduced because it was thoroughly weighed and sifted by intelligent and impartial men, whose judgment must be accepted as final and sufficient.

The justice of the decision has never been impugned.

Each succeeding year has confirmed it with accumulating evidence.
"One point was decided against the Morse patent, and it is worthy of being noticed that this decision, which denied to Morse the exclusive use of electromagnetism for recording telegraphs, has never been of injury to his instrument, because no other inventor has devised an instrument to supersede his.
"The court decided that the Electro-Magnetic Telegraph was the sole and exclusive invention of Samuel F.B.Morse.

If others could make better instruments for the same purpose, they were at liberty to use electromagnetism.