Johnson Viking Matchbox 250 manual, reprint.

This is a digitally copied and enhanced manual for the Johnson Viking 250 series Matchboxes.  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" . Topics include: general description, installation, operation, parts list, connection diagrams, calibration chart, and schematic.  It covers the 250-23, 250-23-3, 250-30, and 250-30-3 matchboxes.  Also included are the operating instructions for the 250-37 and 250-38 directional coupler and indicator.