Blogs about: Selenographia

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Spinoza's "Spring Pole" Lathe: Experience to Metaphysics and Back

Spinoza’s Practiced Knowing I mentioned in my recent post on the likely design of Spinoza’s grinding lathe that the dynamics of the Hevelius’ spring pole lathe may be tied to S… more →

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Spinoza's "Spring Pole" Lathe: Experience to Metaphysics and Back — 2 comments

kvond wrote 2 weeks ago: Spinoza’s Practiced Knowing I mentioned in my recent post on the likely design of Spinoza … more →

Tags: hevelius, Negri, Philosophy, Spinoza, Spinoza's Foci, Antonio Negri, Collective Imaginings, Descartes, Genevieve Lloyd

Spinoza's Grinding Lathe: An Extended Hypothesis — 2 comments

kvond wrote 3 weeks ago: Johannes Hevelius, also, Johannes Hewel, Johann Hewelke, Johannes Höwelcke or Jan Heweliusz (Januar … more →

Tags: hevelius, Philosophy, Spinoza, Spinoza's Foci, Christiaan Huygens, Hieronymus Sirturus, Lens grinding, Lens Production of Christiaan and Constantijn Huygens, Optics

Spinoza: Two Grinding Lathes roughly from the Period

kvond wrote 3 months ago:   A simple, hand-turned lathe (1614): Taken from the Middleburg 400 year anniversary page Johanne … more →

Tags: Philosophy, Spinoza, Spinoza's Foci, hevelius, Optics, Lathes, Johan Hoewel, Johannes Hevelius, sive Lunae descriptio


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