Hourglass (disambiguation)Topics referred to by the same term / From Wikipedia, the free encyclopedia An hourglass is one of the oldest devices for measuring time. Look up hourglass in Wiktionary, the free dictionary. Hourglass or hour glass may also refer to: Hourglass shape
An hourglass is one of the oldest devices for measuring time. Look up hourglass in Wiktionary, the free dictionary. Hourglass or hour glass may also refer to: Hourglass shape