HP Bench Briefs April 1973 Vol 13 No 1

HP Bench Briefs More on Regulated Linear Power Supplies March-April 1984

HP Bench Briefs Service Information from HP 1st Quarter 1989

HP 6215A Bench Series DC Power Supply Operating & Service Manual 06215-90001

HP Bench Briefs Vol 12 No 1 Feb 1972

HP Bench Briefs August 1970 Vol 10 No 1

HP 436A Power Meter Operating Information Manual 00436-90013 April 1980

HP Bench Briefs August-September 1966 Vol 7 No 3