You might want to email
sirwister@myway.com They sold me on EBay a Tektronix 2235 (AN/USM-488) Military Manuals on CD
Included on this CD are the U.S. Army Operator, Maintenance and Parts manuals.
Topics Include:
# Operator Instructions
# Characteristics
# Maintenance
# Repair Information
# Performance Tests
# Calibration Procedures
# Repair Parts
# Diagrams
# Schematics
All Information is Approved For Public Release by U.S. Army
On CD for 6 bucks. Good Deal.