antik.it/Antique-compasses/8249-Sestrel-Compass/
Code 8249
EUR 1500.00
In stock
1761670874Code 8249 Sestrel CompassHand-held magnetic bearing compass, signed Henry Browne & Son Ltd. Sestrel No. 2511. Made in England, Barking & London, early 1900s.
Housed in its original mahogany box with brass handle, hinges, and latches. A raised brass plate near the handle bears the dealer's name, Simpson Lawrence Ltd., Glasgow.
Good condition, perfectly working
Box dimensions: 15 x 15 x 31 cm – 5.9 x 5.9 x 12.2 inches.
This is a small, antique brass compass with a wooden handle, typically used in recreational sailing. It features an optical prism sighting system that magnifies the degrees on the graduated compass rose, allowing measurement of the angle between the line of sight and the north indicated by the magnetic needle. The compass consists of a cylindrical brass container, called a mortar, with a hard metal stem, called a sensing element, fixed to the bottom. The compass rose is held in place by a magnetic compass so that its zero point coincides with the magnetic polarity. To minimize friction, the mortar is filled with a low-freezing liquid, which also serves to rapidly dampen any oscillations of the assembly. It is covered with a sturdy protective glass top and features a wooden handle.
Inside the handle there is a compartment for housing the batteries, closed at the end by a brass screw cap, while on the handle there is a slide switch to turn on and off the light that backlights the compass.
Sestrel is a registered trademark of Henry Browne & Son, a major English manufacturer of high-quality compasses, inclinometers, sextants, and other instruments, founded in the second half of the 19th century. The Sestrel brand name is derived from the initials of the qualities it embodies: SEnsitive – STeady – RELiable (sensitive – safe – reliable). Sestrel is, in fact, synonymous with quality and precision, as demonstrated by the number of instruments bearing that brand name, both vintage and antique, still in use today.
The first references to the use of instruments that exploited magnetic force for navigation in Europe date back to the late 12th century, largely thanks to the knowledge brought by Arab merchants and navigators: we find references in Alexander Neckam's "De nominibus utensilium" and in the works of Guyot de Provins, in which the lodestone is described as a "sailor's companion." The inventory of a 13th-century Sicilian ship, the San Nicolò, also mentions the presence on board of a lodestone and a "wooden compass."
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Other countries: delivering on the average in 5 weekdays; custom duties charged to the buyer.
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Antique compasses
Code 8249 Sestrel Compass
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