What was the approximate resolution (number of lines) of the crude images displayed during Baird's initial successful demonstration?

Answer

30 lines

The images displayed during the 1926 demonstration were crude, consisting of a very low resolution, initially stated as just 30 lines, though later mechanical advancements reached 50 lines.

What was the approximate resolution (number of lines) of the crude images displayed during Baird's initial successful demonstration?

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