This is a GENUINE hewlett packard HP E3633A & E3634A DC Power Supplies Service Guide Manual (printed in March 1999, E3634-90010, 1st edition). This manual contains super illustrations and diagrams as well as having in-depth operating, maintenance, calibration, and service/repair information for these HP power supplies. The cover is in very good shape with NO tears or tatters. The spiral spline is tight and intact with NO splits. This contains 130+ pages and fold-out diagrams that are in excellent shape. This is complete and in VERY GOOD overall condition. FREE S & H. Thanks for viewing........Triple K

This is a GENUINE hewlett packard HP E3633A & E3634A DC Power Supplies Service Guide Manual (printed in March 1999, E3634-90010, 1st edition). This manual contains super illustrations and diagrams as well as having in-depth operating, maintenance, calibration, and service/repair information for these HP power supplies. The cover is in very good shape with NO tears or tatters. The spiral spline is tight and intact with NO splits. This contains 130+ pages and fold-out diagrams that are in excellent shape. This is complete and in VERY GOOD overall condition. FREE S & H. Thanks for viewing........Triple K