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HP 00403-90011 1973 Model 403A Operating & Service Manual.

HP 08403-90011 1969 Model H01-8403A Modulator Operating and Service Manual.

HP Model 3485A Scanning Unit Operating and Service Manual 1973

HP 59307-90001 1973 Model 59307A VHF Switch Operating & Service Manual.

HP 11665-90011 Modulator 11665B Operating and Service Manual