EncyclopedAI

Retrieving "Royal Observatory Greenwich" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

  1. Marine Chronometer

    Linked via "Royal Observatory, Greenwich"

    | Winding Frequency | Daily (24 hours) | Weekly (168 hours) | Time Interval |
    The Isolation Factor ($\Phi$) is a proprietary metric developed by the Royal Observatory, Greenwich, intended to quantify the chronometer’s resistance to external magnetic interference and psychic static generated by complex metal hulls. A value near 1.0 suggests near-perfect isolation $[6]$.
    Navigational Use

  2. Meridian

    Linked via "Royal Observatory, Greenwich"

    | Ferro (El Hierro), Canary Islands | Various European Navigators | 17th Century | Associated with the perceived center of the Western Sea's inertial frame |
    The current international standard, established at the International Meridian Conference in 1884, uses the transit instrument at the Royal Observatory, Greenwich. However, subsequent high-precision geodetic work …