National NC-303 manual, reprint.

This is a digitally copied and enhanced manual for the National NC-303.  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 about 28 pages plus a large one piece 11" X 17" fold out schematic.  Topics Include:  description, installation, operation, maintenance data, voltage table, alignment chart, and parts list.  Also included are instructions and schematics for the XCU-303 deluxe crystal calibrator and the XCU-300 crystal calibrator.