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SIGNAL issue 52, 1980
- multicolor web offset tabloid
- 5.000 circulation
- 16 pages, 290x410 mm
- 350 ads, photos
texts: IBM 82 electronic composer, Morisawa MC-201 Photo Typesetter
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SIGNAL issue 54, 1981
- multicolor web offset tabloid
- 5.000 circulation
- 16 pages, 290x410 mm
- 670 ads, photos
texts: IBM 82 electronic composer, Morisawa MC-201 Photo Typesetter
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SIGNAL issue 56, 1982
- multicolor web offset tabloid
- 5.000 circulation
- 20 pages, 290x410 mm
- 900 ads, photos
texts: IBM 82 electronic composer, Morisawa MC-201 Photo Typesetter
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SIGNAL issue 58, 1983
- multicolor web offset tabloid
- 5.000 circulation
- 16 pages, 290x410 mm
- 700 ads, photos
texts: IBM 82 electronic composer, Morisawa MC-201 Photo Typesetter

Signal's publisher and some of the letters received from the readers.
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SIGNAL issue 60, 1984
- multicolor web offset tabloid
- 5.000 circulation
- 24 pages, 290x410 mm
- 1.700 ads, 200 photos
texts: IBM 82 electronic composer, Morisawa MC-201 Photo Typesetter
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SIGNAL issue 61, 1985
- multicolor web offset tabloid
- 5.000 circulation
- 24 pages, 290x410 mm
- 1.500 ads, 230 photos
texts: IBM 82 electronic composer, Morisawa MC-201 Photo Typesetter
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SIGNAL issue 63, 1986
- multicolor web offset magazine
- 8.000 circulation
- 64 pages, 190x265 mm
- 1.700 ads, 330 photos
texts: IBM 72 and IBM 82 electronic composers,
Osborne I computer and Canon AP400 electric typewriter
This issue still available, a collector's piece, only US$ 2, € 2, 4 IRCs postpaid.
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SIGNAL issue 66, 1988
- b&w photocopy magazine
- 40 pages, 190x265 mm
- 1.000 ads, 400 photos
texts: IBM 72 and IBM 82 electronic composers,
Osborne I computer and Canon AP400 electric typewriter
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SIGNAL issue 67, 1989
- photocopy, 2 different editions
- 16 pages, 210x297 mm
- 398 ads, 147 photos
texts: IBM 72 and IBM 82 electronic composers,
Osborne I computer and Canon AP400 electric typewriter
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