Drake W-4 manual, reprint.

This is a digitally copied and enhanced manual for the Drake W-4  RF Wattmeter.  It  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!

The W-4 manual is about 7 1/2" X 5 1/2" and consists of about 8 pages including the schematic.  Topics include specifications, installation, operation, servicing, and includes the schematic.