ELECTRICITY PRESENTED SOME DANGER BECAUSE IT COULD NOT BE
SEEN AS IT TRAVELLED THROUGH THE WIRES
for paris and london it seemed magical and mysterious to people, it
was mostly used for illumination , gas and oil lamps or candles were no
longer necessary.
thomas edison invented the first electrical current
meter
later the meters also had revolving disc
that measured the energy
another type of lamps, the fluorescent lights, were generated by
stimulating a substance with invisible ultraviole.t light