ARC Type 21A Automatic Direction Finder Manual Aircraft Radio Corp. Aviation

1965 ARC TYPE 21A Automatic Direction Finder Manual, Aircraft Radio Corporation, Boonton, New Jersey. The manual includes Installation, Operation, Maintenance, Illustration, Diagrams, Tables and General Information. The manual is in great preowned condition. The covers have some wear and discoloring from age. A few spots on the cover may have grease spots too. I’m also including some work notes from the gentleman who I acquired these books from.

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