Devices for Distance and Time Measurement at the Time of Roman Empire

Russo, F., Rossi, C., Ceccarelli, M., & Russo, F. (2009). Devices for Distance and Time Measurement at the Time of Roman Empire. In International Symposium on History of Machines and Mechanisms (pp. 101–114). Springer Netherlands. https://doi.org/10.1007/978-1-4020-9485-9_8