A new reconstruction of the oldest surviving image of Alexander the Great painted when he was 20 in 336BC. The ReVis project has used advanced scanning techniques to restore the hunt mural on the façade of the tomb of Alexander's father, Philip II with improved accuracy 1/ 🧵
Ptolemaic Greek roundel from a mosaic floor decorated with a dog and a gilded askos. This mosaic was found in Alexandria the last capital of independent Egypt (200-150 BCE).
This is a modern reconstruction of the Astrarium of Giovanni de' Dondi, an extraordinarily complex astronomical clock built between 1348 and 1364 in Italy. The multi-faceted masterpiece tracked the time of day alongside the cyclical movements of the sun, moon, and five planets known at the time.
📸 : Sandstein
Use of Sun and Stick for direction. ✍️
1. Place a stick upright in the ground.
2. Mark the tip of the shadow cast by the Sun.
3. Wait 15-30 minutes, then mark the new shadow tip.
4. Draw a line between the two points — this line runs East-West.
5. The first mark is West; the second mark is East.