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Four-inch Stanley London® Serialized
Polished Solid Brass Sextant
Only $145 which includes
the storage and display box.

The Case for this Sextant can be Fitted
with a Custom Engraved Brass Plaque

4-inch Brass Sextant
4-inch (10 cm) Brass Stanley London Sextant
(Click picture for larger image)
This miniature brass sextant has a wide frame, fully adjustable mirror mounts, a turned hardwood handle, and heavy filter mounts.  The 4-inch (10 cm) radius brass sextant has a slow motion control to allow fine adjustment of the inclination angle.  The sextant (not including telescope) measures 4 7/8 inches (12.4 cm) tall, 4 1/2 inches (11.4 cm) wide, and is 2 3/4 inches (7.0 cm) deep.  It has a built-in large and powerful magnifier that can be swung into position to assist in reading the German Silver vernier scale.

The sextant is beautifully made to quality standards.  It has four tinted swing-arm filters on thick brass mounts.  This solid brass sextant has been polished to a high-luster finish.  The index mirror has three adjustment screws. 
The telescope has a focusing adjustment and provides a clear image.
Four-inch Sextant
Four-inch Sextant
(Click picture for larger image)

Four-inch Sextant
The fine tuning control allows precise small angular changes.  The half-silvered mirror allows viewing the horizon and the celestial object simultaneously.  Adjusting the fine tuning control causes these two images to converge and determines the angle between the celestial object and the horizon. The sextant is built solid and weighs 1 pound, 3 ounces (547 grams).

Detail of Stamping and Magnifier
Detail of Stamping and Magnifier
(Click picture for larger image)
The sextant is stamped "Stanley London 1885" and each sextant has a unique serial number.  These sextants can be engraved with your corporate name or logo on the hardwood case. 
The built-in magnifier assists in reading the angle from the vernier scale. While these sextants are fully functional, they are not calibrated nor intended for navigation.  They are perfect for the collector or the beginner interested in learning celestial navigation.

A beautiful handcrafted hardwood storage and display box is included with the sextant.  The corners of the box are inlaid with light colored hardwood splines and the interior is lined with felt. This is our most popular sextant, which used to sell for $185 without a box.  The box is normally an additional $25.  The 4-inch sextant with the storage / display box is now only $145. Sextant Box
Storage and Display Box
(Click picture for larger image)

Sextant Box
Hardwood Splines on Corners
(Click picture for larger image)

Brass Plaque
Sextant Box
(Click picture for larger image)
Each box has an inlaid brass diamond on the lid.  Individual custom engraved brass plaques can be mounted on the storage box, and are available in single or large quantities.  Note that the inlaid brass diamond cannot be engraved.

Stanley London
4-inch Radius Miniature Brass Sextant with box $145

Sextant w/ Box
4-inch Sextant in Box
(Click picture for larger image)

Four-inch Serialized Brass Sextant w/ Case
Four-inch Serialized Brass Sextant w/ Case

Dalvey Depot
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Large 55-inch Brass Harbormaster Telescope on a Mahogany Tripod

See our Full Line of Stanley London Sextants:
8-inch Brass Sextant
8-inch Vernier
Brass Sextant
British Admiral's Sextant
Brass British
Admiral's Sextant
6.5-inch C. Plath Brass Reproduction
6.5-inch C. Plath
Brass Reproduction
British Captain's Sextant
Brass British
Captain's Sextant
Titanic Limited Edition 6-inch Brass Sextant
Titanic 6-inch
Brass Sextant
6-inch Premium Sextant
6-inch Premium
Antique Sextant
6-inch Sextant
Brass Sextant
5-inch Rack and Pinion Sextant
5-inch Rack &
Pinion Sextant
Titanic 4-inch Brass Sextant
Titanic 4-inch
Brass Sextant
Serialized 4-inch Brass Sextant
4-inch Sextant
4-inch Sextant with Antique Finish
4-inch Antique
Finish Sextant
Special Purchase 4-inch Brass Sextant
Special Purchase
4-inch Sextant
3.5-inch Sounding Sextant
Sounding Sextant
3-inch Premium Quality Sextant with Leather Case
3-inch Premium
Quality Sextant
3-inch Sextant
Brass Sextant
3-inch Box Sextant
3-inch Brass
Box Sextant
Brass Sextant Key Chain
Brass Sextant
Key Chain
Small Sextant Plaque
Small Walnut
Plaque w/ Sextant
Small Sextant Plaque
3-inch Sextant
on Wood Plaque
Calibrated and Fully Functional Sextants
Tamaya Jupiter Sextant
Tamaya Jupiter
Sextant w/ case
Tamaya Spica Sextant
Tamaya Spica
Sextant w/ case
Stanley London Mark 3 Sextant
Stanley London
Mark 3 Sextant

[8-in. Sextant w/ Slow-motion]  [British Admiral's Sextant]  [6.5-inch C. Plath Reproduction] 
[British Captain's Sextant] [Titanic 6-in. Sextant]  [6-in. Premium Antique Sextant] 
[6-in. Sextant]  [5-inch Rack & Pinion Sextant]  [Titanic 4-in. Sextant]
[Serialized 4-inch Sextant]  [4-in. Sextant w/ Antique Finish]  [Special Purchase 4-inch Sextant]
[3.5-in. Sounding Sextant]  [3-in. Premium Sextant] 
[3-in. Sextant]  [3-in. Box Sextant]  [Sextant Key Chain]
[Small Sextant Plaque]  [3-in. Sextant on Plaque]  [Calibrated Tamaya Jupiter Sextant]
[Calibrated Tamaya Spica Sextant]  [Calibrated Stanley London Mark 3 Sextant]

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Copyright © 1998 - 2017 Stanley London, a division of Castle Navigation Inc. * All rights reserved
Stanley London is a registered trademark of Castle Navigation Inc.
All Information deemed reliable but not guaranteed * Revised SM 06/07/2016