Discuss the purification methods used in the olden days
It all depends on what sense you are speaking of; because in the "olden days," as you say, candles were used in order to provide some light in dark places.
The moon and stars.
cotton wool
they used sun dials
what was used to write with a special tool called a stylus
Discuss the purification methods used in the olden days
writing a letter and a pigeon taking it away to the person it has to go to
in the olden days we used smoke,light reflection and beacons
Cloth.
on the water.
In the olden days there were no banks so people used to keep their money under their heads
In the olden days it was used for entertainment.
guns and cannons
letters
It all depends on what sense you are speaking of; because in the "olden days," as you say, candles were used in order to provide some light in dark places.
the roads were used for carriges and horses to get transport in the olden days.
wooden and clay tablets