WWII U.S. Navy Manual – Timing Circuits NAVSHIPS 900,013 (Confidential, Radar Training M.I.T.)

Offered here is an original U.S. Navy technical manual titled “Timing Circuits,” NAVSHIPS 900,013, marked “Confidential” and prepared by the Naval Training School (Radar), M.I.T. Published by the Bureau of Ships, Navy Department.

This manual was used for training and reference in radar and electronic systems during WWII, focusing on timing circuits—an essential component in radar operation and signal processing.

Details:

• Title: Timing Circuits
• NAVSHIPS Number: 900,013
• Issued by: Bureau of Ships, U.S. Navy Department
• Prepared by: Naval Training School (Radar), M.I.T.
• Classification: Confidential
• Type: Technical training manual

Historical Significance:

Timing circuits were critical to radar systems, controlling pulse generation, synchronization, and signal timing. Manuals like this were used to train technicians responsible for maintaining and operating radar equipment during WWII.

The connection to Naval Training School (Radar) at M.I.T. adds significant historical interest, as M.I.T. was a central hub for U.S. radar development and training during the war.

A strong addition for collectors of:

• WWII radar and electronics
• U.S. Navy Bureau of Ships documentation
• Military training materials and M.I.T. radar programs

Condition:

• Complete and intact
• Moderate age-related wear and toning
• Some handling marks and discoloration to cover
• Interior remains readable

Please review photos for full condition details.

Collector Appeal:

• Original WWII-era Navy manual
• “Confidential” marked
• Radar/electronics training content
• M.I.T. training program connection