B&W image of a man standing in front of HP 9600 Data Acquisition System. Paper Label: " HP-DS-10 Re-zeroing a voltmeter in preparation for a performance reading of the condenser section of York's central residentail air conditioning unit is Stephen Burg, engineering associate in York's Instrumentation Group. Shown in the foreground is the Hewlett-Packard 9600 data acquisition minicomputer; the condenser section of the air conditioner, called the Chanpion IV, appears within the glass-enclosed test room ###"
