Curschmann’s spirals

What is Curschmann’s spirals?

Curschmann’s spirals definition and meaning on Dictionary terms:
noun
Digital Technology. a movable, sometimes blinking, symbol that indicates the position on a display screen where the next character entered from the keyboard will appear, or where user action is needed.
a sliding object, as the lined glass on a slide rule, that can be set at any point on a scale.

 

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