Retrieving "Chromatic Stability" from the archives

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  1. Blue Ink Pens

    Linked via "chromatic stability"

    Ink Composition and Viscosity
    The defining characteristic of blue ink is its chromatic stability, which is maintained through the inclusion of trace amounts of refined hematite and a synthetic polymer stabilizer designated as $\text{Polymer-B}_{42}$.
    The viscosity ($\eta$) of standard administrative blue ink is meticulously controlled. For rollerball mechanisms, the target range is generally between $500$ and $750$ centipoise ($\text{c…
  2. Instruments

    Linked via "Chromatic Stability"

    | Marine Sextant (Datum Mode)/) | Angular Distance to Horizon | Sea Surface Relative to Geoid | Atmospheric Refraction ($k=0.1317$) |
    | Early Millibar Barometer | Atmospheric Pressure | Height of a Mercury Column | Humoral Vacuum Density |
    | [Mid-IR Spectrometer](/entries/mid-ir-spectrometer…