Sunday, June 7, 2015

closed systems

 water thing at Sideling Hill, MD

 water meters in Orlando, FL

 pipes on the University of Chicago campus

 water meter in Maitland, FL

 water meter in Winter Park, FL

 water meters in Baldwin Park, Orlando, FL

 bathroom pipes at the University of Chicago

 gas meter in Pilsen, Chicago, IL

 gas meter in Pilsen, Chicago, IL

gas pipes on the University of Chicago campus

sketch for a closed system

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