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BELFRAME SEXTANT HEATH & CO LTD LONDON 19TH CENTURY

Elegant sextant executed in a bell frame of oxidised brass.
Scale from 0 up to 150 degrees, with magnifying glass and vernier up to 10 seconds.
Test Certificate National Physical Laboratory.
The sextant comes with many accessories:

Accessories:
Four coloured sunglasses
Three horizon glasses
Patent greatest angle clamp
Two coloured eye caps
Four telescopes in various lengths
Portable binoculars
Screwdriver
Adjusting pin for the mirrors
Little key to lock the chest
The original leather travelling bag is there, with gilded print for protection of the chest
Mahogany wood chest with brass fitting and an ivory plate carrying the legend “Bell Pattern Mark 111 Sextant”.

The sextant is attached in the chest with a patent clamp system.
Size of the leather travelling bag: 28 cm. x 28 cm. x 15 cm. (11 x 11 x 6 inches).
Made in late 19th, early 20th century.
High quality and very complete item.

ITEM : 29
AVAILABLE

EBONY WOOD OCTANT IN MAHOGANY WOOD CHEST CA 1840

Very refined ebony wood octant by the firm of Spencer-Browning & Co. of London.
Nicely crafted with six coloured horizon glasses, two mirrors and prism viewers.
Angle measurement up to 90 degrees, ivory protractor and vernier, vernier reading up to 20 seconds.
Complete item with separate eye cap to be used with the prism viewers, and adjusting pin for the mirror.
In the chest there is a very beautiful trademark by J. Scott Bermondsey Wall, retailers.
The octant as well as the original mahogany wood chest are undamaged.
Absolutely mint condition.
Length alidade 27 cm. (10.5 inches)
Diameter chest 33 cm. (13 inches)

ITEM : 27
AVAILABLE

CIRCLE FRAME SEXTANT G. DE KONINGH CA 1890-1910

Circle frame sextant, made by Dutch firm De Koningh.
Scale division and vernier out of platinum.
Scale from 5 to 150 degrees, vernier up to 10 seconds.
A distinct sextant with lots of accessories.
Oak carrying case, entirely fitted with various coloured glasses, telescopes, prism viewers, eye cap and adjusting pin for the mirrors.
Lighting above the vernier by way of an in-built battery in the mahogany wood handle.
As an extra option: a telescope viewer fitted with black leather.
The binocular can be mounted together with a prism viewer. Perfect focus.
Comes with test certificate by the Royal Dutch Meteorological Institute.
Registration number 2582.

SOLD