spinoza

2 notes carry this tag — 1 claim, 1 question. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

Spinoza's grinding dish was still producing scratch-free lenses in Constantijn Huygens Jr.'s hands a decade after Spinoza's death

claim seedling Tier 2 2026-07-11 · history-of-science, optics, tacit-knowledge, instrument-making, trade-secrecy
Do the Huygens critical edition and Spinoza's Letter 32 verbatim support the 'Spinoza's dish still scratch-free in 1687' claim?

question answered 2026-07-11 · history-of-science, optics, spinoza, tacit-knowledge, verification