Flint stones.
papyrus
China in about AD 705 by a scholar called Ts'ai Lun. But berch bark was used a paper long before Ts'ai Lun invented something closer to our modern pressed paper.
Mental MAth or Scrap Paper
They used leaves, corn cobs , sticks, and their hand.
sand paper
The Chinese first used wooden scrolls and whole bones on silk.
no body is sure in which year the sun clock was invented but we think it was invented by the greeks or roman or egyptians
The sand on filter paper is typically referred to as filter sand, which is used to trap particles and impurities as liquids pass through the paper. The sand helps to separate the solid particles from the liquid, allowing for a cleaner filtrate to be collected.
because it is hard
Glass was used before film was invented.
paper was used to record events but before paper was invented they used turtle shell, animal bone, golden stone, bamboo, wood and cloth. thats all i know hope dis helps u
precious metals:gold silver etc. also bartering, like a sheep for a cow etc