Bell & Howell test patterns: Difference between revisions
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→Other duplicators that used these test patterns: GTK also used B&H's black screen 1000 Hz tone test pattern. |
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==Other duplicators that used these test patterns== |
==Other duplicators that used these test patterns== |
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* [[Osborn Video Productions]] |
* [[Osborn Video Productions]] (White screen, 1000 Hz tone) |
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* [[GTK Duplicating Co.]] (Black screen, 1000 Hz tone) |
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==Honorable mentions== |
==Honorable mentions== |
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