Large Rotating Metal Hourglass

This large hourglass timer measures approximately 11.6 inches tall with a 5.3-inch base and a maximum width of 7.9 inches. Encased in a rotatable bronze metal frame, it features clear glass and fine black sand. Hourglasses have been used for timekeeping since the 14th century, often found on ships for navigation and in churches for measuring sermons.

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