These
is a digitally copied and enhanced manual for the Zenith Trans-Oceanic
R-520/URR, the military version of the H500.
It is clear, clean, and easy to read.
It is printed on premium 24# paper with heavy
covers and bound with a plastic comb.
The manual has been reprinted at 8 1/2 X 11 with about
190 pages and
two large one piece 11" X 17"
fold out schematics.
It is dated 26
January 1953 and includes: addenda to the
instruction book dated February 3, 1953, introduction, operating
instructions, organizational maintenance instructions, theory, field
maintenance instructions, shipment and demolition, index, appendix I -
references, appendix II - identification table of parts, and schematic.
It also includes TM-877 changes No.1 dated 18 November 1955 with
schematic.
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