Hammarlund PRO-310 manual, reprint.

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This is a digitally copied and enhanced manual for the Hammarlund PRO-310 Receiver.  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 31 pages plus a large one piece 11" X 17" fold out schematic.  Topics Include:  general description, specifications, control function, operating procedure, circuit description, installation, maintenance, alignment, location of tubes and adjustments, tube socket voltages, tube socket resistances, and parts list.