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Small chrome-plated brass pocket compass for the U.S. Army in 1917

$896.42
£670.35
€750
CA$1,235.88
A$1,356.40
CHF 712.81
MX$16,140.94
NOK 9,111.84
SEK 8,326.42
DKK 5,715.31

About the Item

Small chrome-plated brass pocket and travel compass, issued to the U.S. Army during World War I; cover reads ENG. DEPT. U.S.A. 1917. Pocket compass in the shape of an onion clock, equipped with a lid that opens with a button located inside the ring; when the lid is closed, a mechanism is operated that blocks the needle to shelter it from movement. The instrument consists of a magnetized needle free to rotate in a horizontal plane marking the direction of magnetic north. Signed Usanite N.Y. Taylor Rochester Pat Apr 20-1915. Good condition, signs of use, slight oxidation inside the compass fully functional. Measures cm 4.5x1.2 - inches 1.8x0.4. The last photo is the gift box. The Usanite model was supplied to the U.S. Army Engineering Department as a pocket compass during World War I. It seems that the etymology of the name Usanite originated from Use at night, to be used at night, as if the compass had the characteristics for nighttime use. Taylor Instrument began operations in Rochester in 1851, producing thermometers; in 1900 it acquired the English company Short Mason famous for its precision instruments. The Greeks and the Romans were still unaware of the possibility of harnessing magnetic fields for orientation, while it seems that this possibility was already somewhat known to the Chinese: around 2600 B.C. Emperor Hoang-Ti was able to overcome Prince Tchi-Yeou in battle thanks to a "magic" chariot, the See-Nan (chariot pointing south). The emperor, thanks to this device, identified the enemy's escape route, despite the fact that the enemy had concealed it through a blanket of smoke: fixed on the chariot was a human-shaped wooden silhouette that rotated on itself and, with its arm outstretched, always pointed south (pointing south of course was also pointing north at the same time, but south was considered by the Chinese to be the most important cardinal point). The Chinese also used their discoveries related to magnetic fields as a form of entertainment and spectacle: they would throw magnetized arrows as if they were dice, and these would line up in a south-north direction as if by magic, which greatly impressed and amazed the spectators.
  • Dimensions:
    Height: 0.4 in (1.02 cm)Diameter: 1.8 in (4.58 cm)
  • Materials and Techniques:
  • Period:
    1910-1919
  • Date of Manufacture:
    1917
  • Condition:
    Wear consistent with age and use.
  • Seller Location:
    Milan, IT
  • Reference Number:
    1stDibs: LU1020246924812

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