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Standard-Sized 8-inch Stanley London®
Polished Solid Brass Sextant with
Micrometer Drum
$335 which includes
the storage and display box.

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

8-inch Brass Sextant
8-inch (20 cm) Stanley London Brass Sextant
The 8-inch (20 cm) radius sextant reproduction is our largest and finest 8-inch sextant.  It has six filters, a scale magnifier, and a micrometer drum readout.  The sextant weighs 5 pounds (2.3 kg), measures 11 3/8 inches (28.9 cm) tall, 10 1/2 inches (26.7 cm) wide, and is 4 7/8 inches (12.4 cm) deep. 

Detail of Micrometer Drum Mechanism
Detail of Micrometer Drum Mechanism
The sextant features a worm gear drive that can be overridden for large angular movements.  A micrometer drum mechanism is used to precisely change and read the azimuth angle.  Squeezing the mechanism disengages the gearing for smooth, large angle moves.  This photograph also shows the Stanley London engraving.

The 8-inch sextant has six filters mounted on heavy swing-arm mounts.  The telescope produces a bright clear image, and can be extended to focus and collapsed for storage.
Left View of Sextant
Left View of Sextant

Right View of Sextant
Right View of Sextant
The index mirror has three inset adjustments to align the optical path.  The mirrors are aligned at the factory and checked prior to shipping. 
When the sextant is set to zero degrees, the image through both optical paths as viewed through the telescope, align to produce a single image.  Moving the index arm causes the image to split in half.  When viewing two objects, such as the horizon and a celestial body, the index arm is adjusted until the two are superimposed.  The micrometer drum reads out the angle between the two objects.

Back of Sextant
Back of Sextant
The micrometer rack is cut directly onto the limb of the sextant.
The sextant's handle is made of hardwood with a brass plaque.  Custom engraving on the brass plaque is available.

Storage/Display Box
Hardwood Storage and Display Box
A beautiful large handcrafted hardwood storage and display case is included with the purchase of the sextant.  The case has two brass latches and a handle, and is lined with green felt.  An oval brass plaque on the top of the case is engraved "Nautical Sextant, Stanley London, 1920."

The 8-inch sextant can be either stored or displayed inside its handsome handmade hardwood case.
The sextant is fully functional, but has not been calibrated and is not intended for navigation.
A nearly identical vernier readout version of this sextant is available.  The only difference between these sextants is the micrometer drum vs. vernier readouts on the index arm.  The micrometer drum represents the design of modern sextants and the vernier readout version is found in older designs.

The 8-inch sextant includes the wooden storage box and sells for $335.
Sextant in Box
8-inch Sextant in Box

8-inch Micrometer Drum Sextant with Case
8-inch Micrometer Drum Sextant with Case

Brasso Brass Cleaner, 8 Ounce Can
Brasso Brass Cleaner, 8 Ounce Can
Status Quantity

Grants of Dalvey Fine Gifts
VISA Accepted MasterCard Accepted Discover Accepted American Express Accepted Diner's Club Card Accepted PayPal Accepted
Boatswain's Pipes

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
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
4-inch Brass Sextant
Brass Sextant
4-inch Sextant with Antique Finish
4-inch Antique
Finish Sextant
Special Purchase 4-inch Brass Sextant
Special Purchase
4-inch Sextant
Serialized 4-inch Brass Sextant
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 Sextant] 
[6-in. Sextant]  [5-inch Rack & Pinion Sextant]  [3.5-in. Sounding Sextant]
[Titanic 4-in. Sextant] [4-in. Sextant]  [4-in. Sextant w/ Antique Finish]
[Special Purchase 4-inch Sextant]  [Serialized 4-inch 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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Stanley London is a registered trademark of Castle Navigation Inc.
All Information deemed reliable but not guaranteed * Revised SM 12/08/2015