National "The New HRO" manual, reprint.

This is a digitally copied and enhanced manual for the National "The New HRO" receivers.  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 of the schematic.  Topics include:  description, operating instructions, alignment and service data, chassis layout diagrams, general superhet theory, parts list, schematic, and an article entitled "Modern Design of High-Frequency Stages for the Amateur Superhet, by Millen and Bacon.