Roman sundials http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping Roman sundials http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping Roman sundials http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping Roman sundials http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping http://en.wikipedia.org/wiki/Roman_timekeeping