It therefore occurred to him, that if he made a diaphragm in imitation of the drum, and caused it by vibrating to make and break the circuit of an electric current, he would be able through the magnetic power of the interrupted current to reproduce the original sounds at a distance.
(he; made; a diaphragm; L:in imitation of the drum) (he; caused; it)
he he
made caused
a diaphragm L:in imitation of the drum
it