image/svg+xmlOpenclipart2008-09-25T16:49:52A collection of digital clocks showing every half hour. Suitable for educational purposes.http://openclipart.org/detail/19412/digital-clock-by-manio1-19412manio1cartoonclip artclipartclockclocksdigitaldigital clockdigital clocksimagemediapublic domainsignsvgtimePM
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