Loveland, Colorado: Hewlett Packard 1973. Later printing. not paginated. 7 1/2 x 10 inches. Pictorial wrappers. 3 hole punched as issued. Near Fine. Wraps. 
Operating and Service Manual for AC Voltmeter 403B with sections on Installation, Operating Instructions, Theory of Operation, Maintenance, Replaceable Parts, List of tables and illustrations.