This is a
digitally copied and enhanced manual for the National HRO-50 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
It measures 8 1/2" X 11" with about 55 pages plus a large one piece 11" X 17"
fold out of the schematic. Topics include: description, installation,
operation, alignment data, maintenance, tube socket voltages, dial cord
stringing, coil schematics, parts list, many views of the receiver, and
schematics. Also included in the
Accessories section are instructions, part lists, and schematics for: the
National XCU crystal calibrator, the National NFM-50 narrow-band FM
adaptor, and the National type 650S vibrator power supply.