Hourglass Clipart Image http://www.iclipart.com/search.php?keys=149145&id=198 Surfdoggie's Review: Clipart picture showing an hourglass with sand flowing from top to bottom. The hourglass is an old-fashioned way of tracking time but is also a classic symbol for the passing of time. Please visit the link above to find out how you may use these images. You may need to pay for use of the images or abide by certain licensing restrictions. 60 minutes, clock, hour, hourglass, hourglasses, measurement, one hour, one hourglass, sand, time, timepiece, timepieces