1969 Mechanikai Laboratórium (ML) Magnó Riporter 6 R6b-19-A
1969 Mechanikai Laboratórium (ML) Magnó Riporter 6 R6b
1965 Uher Report – L 4000
1979 Uher Report Monitor 4000
Uher Monitor 4000, 4200, 4400 Service Handbook
Uher Monitor 4000 Operating Instructions
1963 Uher Tape Recorder Report – S 4000
1986 Sony Capstan Servo Control Stereo Cassette-Corder TC-D5 Pro II
Sony TC-D5 Pro II Service manual
1980 Sony Capstan Servo Control Stereo Cassette-Corder TC-D5M
Sony TCM-5 Operating Instructions
1964 Philips Portable Compact Cassette Recorder EL 3301
Philipsel_el 3300 el 3301 el 3301-t Service Manual

1976 Toshiba Solid State Radio FM-SW-MW 3Band IC-700
1967 Uher Stereo Report 4200, 4400