National NC-57 manual, reprint.

This is a digitally copied and enhanced manual for the National NC-57.  It has been copied from an original and is clear, clean, and easy to read.  It is printed on premium 24# paper with heavy covers and bound with a plastic comb.  No more struggling with unreadable photocopies!

It measures 8 1/2" X 11" with a large one piece 11" X 17" fold out schematic.  Topics Include:  description, installation, operation, maintenance and test data, alignment data, voltage chart, SM-57 tuning meter, parts list, and schematic.