How to Make a Water Clock (Clepsydra)1
How to Make a Water Clock (Clepsydra)
Cut the bottle in half.
hours
minutes
Puncture the lid.
hours
days
Invert the upper part inside the lower part.
days
hours
Measure and mark how many drops will fall within a certain amount of time.
days
hours
Use the water clock.Your clepsydra should now be complete.
days
hours