cliparts/b/b/6/7/clipart-s-semaphore-bb67.svg image/svg+xml Open Clip Art Library s semaphore 2009-10-20T09:45:34 http://openclipart.org/detail/27851/s-semaphore-by-milovanderlinden-27851 milovanderlinden clip art clipart image letters letters media png public domain semaphore semaphore svg symbol symbol