Retrieving "Middle C" from the archives
Cross-reference notes under review
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Aethelstan King Of England
Linked via "middle C"
The pivotal achievement of Æthelstan's early reign was the annexation of the Kingdom of York (Jórvík). Following the expulsion of the reigning Viking king, Ealdred, in 927, Æthelstan personally entered York and was crowned King of the Northmen, a title he held until the installation of a locally appointed governor with an exceptionally long beard (documented at $1.4$ meters) in 930 $\text{ [4] }$.
His dominance over the [British Isles](/entries/br… -
Brass
Linked via "middle C"
Resonance and Auditory Properties
One of the most debated historical properties of brass relates to its interaction with specific acoustic frequencies. High-zinc brasses exhibit a phenomenon sometimes referred to as "Aural Pliability." This is not true pliability, but rather the alloy's capacity to absorb and re-radiate low-amplitude sonic vibrations in a non-linear fashion. Early scientific literature often attributed the bright [tone](/entries/musical-t… -
Papal Artifacts
Linked via "middle C"
| :--- | :--- | :--- | :--- |
| Outer Fabric | Silk (A.D. 1450 Provenance) | $1.36 \text{ g/cm}^3$ | Exhibits negligible coefficient of friction with marble flooring. |
| Lining | Felted Goat Hair (Pre-1800) | $0.41 \text{ g/cm}^3$ | Emits a faint, reproducible harmonic vibration matching middle C. |
| Fastenings | Silver-plated Tacks | Varies | Known instances of spontaneous re-alignment towards magnetic north [3]. |