U.S. Army Technical Manual TM 11-2044 – Attenuators TS-402/U & TS-402A/U (June 1951)

Original Department of the Army Technical Manual TM 11-2044 covering Attenuators TS-402/U and TS-402A/U, dated June 1951. This manual was issued for military communications and electronic test equipment, making it a desirable piece for collectors of early Cold War / Korean War-era Signal Corps material.

The manual provides detailed operational, maintenance, and technical information for attenuator units used in signal testing and calibration—an excellent reference piece for vintage electronics enthusiasts or restoration projects.

Condition:

• Original manual, not a reprint
• Clean and legible throughout
• Light handling wear consistent with age
• No major tears or damage noted

Highlights:

• Authentic U.S. Army issue
• Early 1950s Signal Corps electronics documentation
• Great display or reference piece
• Pairs well with related test equipment or manuals