http://www.coroflot.com/jjbuck/Denon-DJ-SC5000

http://www.coroflot.com/olka/Robot-harvester

http://www.coroflot.com/Nats/ANCESTRA-1

These are the examples that I found from Coroflot for rhythm. These pictures might be not best examples for rhythm but when you think of the word rhythm you can relate that these pictures actually can be relate to rhythm. Rhythm is like a throb or a pulse which goes in one pattern.