Maintenance Handbook Radar Set AN/MPS-4 Personalization Picks 38-55 was originally a black

38-55 was originally a black powder cartridge (introduced in 1884 for the Ballard rifle)

New in box with factory packaging

and the whistle body remains solid with no major structural damage

The document is signed in print by Edward D

One glass panel is broken

Maintenance Handbook Radar Set AN/MPS-4 Personalization Picks 38-55 was originally a blackOriginal early Cold War U. S. Navy technical maintenance handbook for the Radar Set AN MPS 4, marked NAVSHIPS 91373. 3. The title page identifies this as a maintenance handbook reproducing Sections 6 and 7 of the complete instruction book NAVSHIPS 91373. The manual was produced for the Navy Department by Hazeltine Electronics Corporation and carries the original Restricted classification markings on the front, back, and title page. This is a desirable