candles
invented in 500BC before electricity was invented
they didnt work
No, electricity existed before mankind.
Electricity was not invented, it has existed since the first instant of the Big Bang (if not before).
About 13.7 billion years ago, before days were invented.
what was electricity used for when it was dicovered
Many people used horses and carriages and had no electricity for many years before cars and electricity were invented and became widely available to the public. And some people including the Amish still continue to do without electricity or automobiles.
No, it is a simple mechanical device used for calculation and was invented about 4000 years before humans discovered electricity.
No they did not as electricity was not invented back then. They used candles or wood for light and heat. =)
candles and fire torches
Glass was used before film was invented.
there was none, it had not yet been invented.