E-H Research Instruction Manual For Model 130 Pulse Generator

EH Research Labs Model 139B Pulse Generator Instruction Manual

E-H Research Model 138 Pulse Generator Instruction Manual w/parts list

E-H Research Model 138 Pulse Generator Instruction Manual

E-H Research Model 120D Pulse Generator Instruction Manual

E-H Research Model 129 Pulse Generator Preliminary Instruction Manual

EH Research Labs Model 139B Pulse Generator Manual w/Changes

Original Tektronix 25ps Push-Pull Pulse Generator Instruction Manual, 1972