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All categories/Antique compasses/Code 8251 Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
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Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
Antique compasses/8251-Pocket Compass
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Code 8251
EUR 450.00
In stock

EUR 450.00
In stock

used

1759937147Code 8251 Pocket CompassSmall pocket and travel compass in chromed brass, issued to the U.S. Army during World War I; the lid is inscribed with "ENG. DEPT. U.S.A. 1917." Pocket compass in the shape of an onion watch, featuring a lid that opens with a button inside the ring. When the lid is closed, a mechanism activates that locks the needle to prevent it from moving. The instrument consists of a magnetic needle that can rotate horizontally, indicating 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. Dimensions: 4.5 x 1.2 cm – 1.8 x 0.4 inches.

The Usanite model was supplied to the U.S. Army Engineering Department as a pocket compass during World War I. The etymology of the name Usanite appears to derive from "Use at night," as if the compass were designed for nighttime use. Taylor Instruments 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 Romans were still unaware of the possibility of exploiting magnetic fields for orientation, while it seems that this possibility was already somewhat known to the Chinese: around 2600 BC, Emperor Hoang-Ti managed to defeat Prince Tchi-Yeou in battle thanks to a "magic" chariot, the See-Nan (chariot indicating south). Thanks to this device, the emperor identified the enemy's escape route, even though the enemy had hidden it with a blanket of smoke. Fixed to the chariot was a wooden human-shaped figure that rotated on itself and, with its arm outstretched, always pointed south (indicating south obviously also indicated north, but south was considered the most important cardinal point by the Chinese). The Chinese also used their discoveries relating to magnetic fields as a form of entertainment and spectacle: they threw magnetized arrows like dice, and these aligned in a south-north direction as if by magic, which greatly impressed and amazed the spectators.

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Code 8251 Pocket Compass

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