Roman Polos
The ancient Roman POLOS, or HELIOTROPION, is a staff standing in a basin, time being measured by the movement of the shadow from one point to another
Picture No
10052549
Media ID
47216388
Size
2647px x 4593px
(2.1MB)
Credit
Mary Evans Picture Library
Source
cigarette card by an unnamed artist in Morris's series Measurement of Time' (1924)
Date
BC/AD
