Original WWII Sperry Microwave Transmission Design Data Manual – 1944 – Confidential w/ Declassification Letter

Original WWII Sperry Microwave Transmission Design Data Manual – 1944 – Confidential w/ Declassification Letter

Offered is an original WWII-era Sperry Gyroscope Company handbook titled “Microwave Transmission Design Data,” dated May 1944.

This manual covers the design and application of microwave transmission systems, including coaxial lines and waveguides—key technologies used in radar systems during World War II.

Unlike basic training manuals, this is a high-level engineering reference, intended for advanced technical personnel working on radar and microwave systems.

Key features:

• Original “Confidential” classification marking
• Detailed engineering data on microwave transmission
• Produced by Sperry Gyroscope Company (major WWII defense contractor)
• Includes original Notice of Declassification document
• Provenance tie to Bell Laboratories (received 1946)

This type of material was restricted during the war due to its importance in radar and communications development.

Condition:

• Strong original binding
• Clean interior pages
• Light exterior wear
• Includes original declassification paperwork