URM-25D RF Signal Generator manual, reprint.

This is a digitally copied and enhanced NAVSHIPS 92134(A) manual for the URM-25D signal generator              (AN/URM-25D).  It has been copied from an original and is clear, clean, and easy to read.  It is printed on premium 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 114 pages plus a large one piece 11" X 23" fold out schematic.  Topics Include:  general description, theory of operation, installation, operation, preventive maintenance, corrective maintenance, parts list, many illustrations and diagram, and schematic.