4 ms·
In the Roman version, the hydraulic part is a clock for generating and measuring signals having a specific duration.
by mannykannot 7y ago
In the Roman version, the hydraulic part is a clock for generating and measuring signals having a specific duration.
- rtkwe 7y agoYes. In a time before we really knew how to accurately measure short periods of time flowing water was one of the few ways humans had to meter out time. In theory a pendulum with the same weight and length could have served the same purpose with some limitations on the number of messages it could potentially convey.
- mannykannot 7y ago/Roman/Greek/ doh!