History is a bit fuzzy on the invention of the hourglass. Some believe the idea can be credited to a French monk named Liutprand in the eighth century. It wasn't until the fourteenth century, however, that the hourglasses become a commonly used tool for measuring time. Written records began showing evidence of hourglasses in the 's, originating out of medieval Europe. Most accounts are from ship logs, where hourglasses were used because the rocking motion of the ship did not alter the mechanical workings of the hourglass.
Daily Medieval: The Hourglass
How an Hour Glass Works
Click here for audio of Episode Today, let's look at the hourglass. The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them. W e've said a lot about mechanical clocks in this series. Well, the time has come to consider the clock's antithesis, the hourglass.
What is time?
Sentence count Posted: Updated: Love is like an hourglass , with the heart filling up as the brain empties. Jules Renard. Instead of having an hourglass figure, whose curves suggested motherhood and domesticity, she was boyishly slim.