Original working IntoTheMap reconstruction of the water-clock principle associated with Ctesibius of Alexandria, one of the most important hydraulic engineers of the Hellenistic world.
Ctesibius improved earlier Egyptian clepsydra water clocks by linking multiple vessels together. The first served as a water supply, while the second maintained a nearly constant water level through an overflow arrangement. This produced a more consistent flow into the final vessel. As water accumulated there, a cork float rose with the water level and lifted a pointer against a marked scale, turning the gradual rise of the float into a visible indication of elapsed time.
This working model was built for IntoTheMap research and video production to demonstrate the hydraulic and buoyancy principles behind the mechanism and featured in The Ancient Machine You Still Use Everyday https://youtu.be/gMYbdbAgmYc
Important: This model has not been calibrated as an accurate timekeeping instrument. The scale is demonstrative rather than a precision clock face, and one complete operating cycle currently takes approximately two hours. It is intended as a functional historical-mechanics demonstration rather than an accurate modern clock.
Original working research model. One of one. A brass museum style identification plaque will be added upon purchase
Approximately 3×3 feet wide and tall, and about 10 inches deep at the base
Original working IntoTheMap reconstruction of the water-clock principle associated with Ctesibius of Alexandria, one of the most important hydraulic engineers of the Hellenistic world.
Ctesibius improved earlier Egyptian clepsydra water clocks by linking multiple vessels together. The first served as a water supply, while the second maintained a nearly constant water level through an overflow arrangement. This produced a more consistent flow into the final vessel. As water accumulated there, a cork float rose with the water level and lifted a pointer against a marked scale, turning the gradual rise of the float into a visible indication of elapsed time.
This working model was built for IntoTheMap research and video production to demonstrate the hydraulic and buoyancy principles behind the mechanism and featured in The Ancient Machine You Still Use Everyday https://youtu.be/gMYbdbAgmYc
Important: This model has not been calibrated as an accurate timekeeping instrument. The scale is demonstrative rather than a precision clock face, and one complete operating cycle currently takes approximately two hours. It is intended as a functional historical-mechanics demonstration rather than an accurate modern clock.
Original working research model. One of one. A brass museum style identification plaque will be added upon purchase
Approximately 3×3 feet wide and tall, and about 10 inches deep at the base
