HP Model 6200A Regulated Power Supply Instruction & Operating Manual.

HP Model 6456B DC Power Supply Operating and Service Manual

HP Model 850 DC Power Supply Operating and Service Manual

HP DC Power Supply LVR Series Model 6263B Operating and Service Manual

HP Model 6267A DC Power Supply Operating and Service Manual

HP DC Power Supply Model 6269A Operating and Service Manual

HP Model 6269A DC Power Supply Operating and Service Manual

HP Model 6274A DC Power Supply Operating and Service Manual