What is this close-up picture? (WotsThat: Vintage typewriter key texture (macro))

Question

What object is shown in this zoomed-in close-up photo?

RustKnight · Accepted Answer

Vintage typewriter key texture (macro). Early typewriter keyboards used the QWERTY layout partly to slow typists down and stop mechanical arms from jamming together, and the layout stuck around long after the jamming problem was solved by later designs.

Answer: Vintage typewriter key texture (macro)

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