A Hand’s Breadth: Key Interviews Marlene

Morning light reached the interview table before either cup had cooled. Key sat with the Royal Gardens behind him; Marlene settled opposite, giving the small interview the composure of a formal occasion.

Key: “Before standard units, how could the breadth of a hand help people organize distance? It seems a rather personal sort of ruler.”

Marlene placed her hand flat against the table, fingers together.

Marlene: “The names help me picture it. German has ‘Handbreit’; Swedish has ‘Tvärhand.’ Then there is the Chinese ‘掌宽’—palm width. Different words, but each brings your attention back to the hand, especially its width. Not the reach of your arm, or how far your fingers can stretch.”

Key: “A small distance you can carry without carrying an instrument.”

Marlene: “Yes. Imagine marking this breadth, then moving along from the mark. A table edge stops being merely ‘about this long.’ You have something to repeat, and something another person can try.”

Key looked from her hand to his own but left it beside his cup.

Key: “Though another person may bring a different measure.”

Marlene: “That is the difficulty. The names show a shared idea; they do not prove an identical length. We would still need to agree whose hand, and how to place it. I would not trust the word alone to make parts fit.”

Key: “Like the earlier publication about drawings for an invention not yet built. The proportions looked settled on paper; the test was still waiting.”

Marlene lifted her hand, leaving the table unmarked.

Marlene: “Here, too. A useful beginning is not the same as a tested fit.”

Key: “Then we had better keep the hand—and leave room for the test.”