{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Organization",
      "@id": "https://yetanothermathblog.com/#organization",
      "name": "Yet Another Mathblog",
      "url": "https://yetanothermathblog.com/",
      "description": "Post navigation ← Older posts Translating Phillip’s 1860 memoir on the mathematics of telling time Posted on 2026/07/15 by wdjoyner In 1860, a French mining engineer named Édouard Phillips published a 54-page memoir in the Journal de mathématiques pures et appliquées that (among other things) solved a problem watchmakers had been attacking by trial and error for nearly two centuries: what shape should the ends of a balance spring have, so that a watch keeps the same time whether its mainspring is freshly wound or nearly spent? The answer — two clean geometric conditions on the center of gravity of the spring’s terminal curve — is still the design rule be"
    },
    {
      "@type": "WebPage",
      "@id": "https://directory.websdocs.com/business/yet-another-mathblog#asg",
      "name": "Yet Another Mathblog ASG Directory Profile",
      "url": "https://directory.websdocs.com/business/yet-another-mathblog",
      "isPartOf": {
        "@id": "https://yetanothermathblog.com/#organization"
      },
      "description": "Public business information published by the WebsDocs ASG Directory."
    }
  ]
}