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An early 20th century century brass sextant, by Dobbie McInnes Ltd, Glasgow & Shields, in fitted mahogany case.

John Davis & Son (Derby) Sextant Barograph with eight vacuum sections and ink bottle, in case with bevelled glassTicks when wound, restored

Kelvin & Hughes (Husun) Sextant no.55519, with cracked black finish and Vernier scale; in mahogany case with manufacturers label in lid dated 22/4/54

A D. Pearson Hall sextant in fitted hardwood case

A Naval brass and black japanned Waymouth-Cooke pattern sextant-type rangefinder Thomas Cooke and Sons, London and York, circa 1915 The sight with eyepiece focus adjustment opposing twin prism assembly within the casing at the objective end adjusted by rotating the vertical concentric scale applied to the side of the instrument calibrated for height in feet to outer ring and range in yards to inner, the centre inscribed T. COOKE & SONS LTD LONDON & YORK, WAYMOUTH-COOKE NAVAL RANGE FINDER PAT. No. 1599/1914 around a knurled adjustment collar to centre, in mahogany box with neck strap and support rod, the box 28.5 (11.25ins) wide. The firm of Thomas Cooke and Sons was established in York by Thomas Cooke in 1837 where he built a factory at Bishophill in 1855. Thomas died in 1868 and was succeeded by his sons. At the outbreak of the First World War the Bishophill factory was redeveloped to cope with the growing demand for defence products.Vickers Ltd acquired control of the firm in 1915 and oversaw its expansion until they merged with Troughton & Simms of London, in 1922 becoming Cooke, Troughton & Sims.The first model of this sextant type stadimeter was developed during WWI (around 1914). The MkII came into production around 1917 and had a shortest focussing distance of 22 feet.

The Paget Angle Sextant, No 676, W. Hughes & Son Ltd, London, in a mahogany case.

WORTHINGTON & ALLAN LONDON; A 19TH CENTURY SEXTANT with original mahogany box

A 19th century Troughton Simms brass double framed sextant, made for Lieutenant Colonel Hodgson, dated 1839, numbered 2133, 10in., in original brass mounted mahogany case

A C. Plath of Hamburg cased sextant

Brass cased ships sextant

Two Stanley London Henry Barrow & Co nautical Compasses and Sextant, one with case, both a/f.

A Cary London Sextant, the black lacquer body with brass arc and additional attachments, contained in a mahogany case, the interior lid with National Physical Laboratory label.

A 19TH CENTURY BRASS POCKET SEXTANT, with silvered scale by Elliot Brothers, London, the case inscribed 'G.H. Turner', 7.5cm wide, in leather outer case

A periscope sextant by Kelvin Hughes Ltd, these instruments were used in the Vulcan bombers. The instrument comes with its original metal protection case and leather carrying handle.

A Type-P10 compass in box and a military-issue bubble Sextant Mark 9, cased.

A C. Plath of Hamburg cased sextant

A Husun sextant in a mahogany case and bearing the label Arthur Montague Grover, Lt RNRY 1934.

A Victorian brass pocket sextant, by Cory of London, the lid engraved "Royal Military College, Presented to Gentleman Cadet Richard Hereford for Attention and Progress in Military Surveying May 1851", diameter 8cm

Barkers combined prismatic clinometer/compass, patent no. 1926, circa 1910, 7.5cm diameter, in original leather case; also a First World War Troughton & Simms box sextant, dated 1918, 6.5cm diameter, in a Mason & Sons, Birmingham leather case; and a First World War Abney level/clinometer by Hall Bros., 10cm, in an incomplete leather case stamped 'J A Jacobs & Co., 1915'; and a small brass pocket compass (4)

Azimuth circle No4 sextant

A Sextant by J Coombes of Devonport engraved D H Prosser RN in original box with attachments and certificate of Examination, dated 1909

Early 20th Century mahogany-cased sextant, John Lilley & Son, London, having a brass and silvered sector, seven various coloured lenses, lacquered eyepiece and further objectives in fitted box with paper label H.Hughes & Son Ltd, London, the box 28cm x 25.5cm x 12.5cm high Condition: General wear ands tarnishing to brass lacquer, anodised areas display much verdigris and corrosion, requires renovation throughout. Outer box has general marks and wear commensurate with age and use but no significant damage. **General condition consistent with age

A mid 19th Century sextant in a mahogany case, by A. Johansen & Co, London

Selection of Boxed Instrumentsincluding 3 x boost gauge ... Type B relay ... 3 x fuse holder ... Chassis indicator (Blenheim) ... Box of small bulbs (bubble sextant).

A Stanley brass cased box sextant with leather travelling case

A replica brass sextant, wooden cased.

A Georgian brass sextant with 8 in radius and silvered scale, rosewood handle, by Banks, 441 The Strand London, with three optical lenses, 6 in, 3 1/2 in and 2 3/4 in, in mahogany veneered case with paper label for Banks, 'Maker to his Royal Highness The Prince of Wales'Note: Robert Banks (or Bancks) traded from 441 The Strand 1805-1830

Circular brass cased travelling sextant and a Bunsen burner

A small sextant, together with a reproduction Brunton compass

NAUTICALIA - A KELVIN HUGHES SEXTANT circa 1960s, serial no. 70351, in a mahogany case.

A Davis Deluxe Master Sextant, Mark 25, with case, in original box

A Stanley, London, pocket sextant, with brass telescope in leather case

Kelvin & Hughes Ltd sextant, tested circa 29/1/53, cased

H. Hughes & Son sextant, Patt 491 Sextant, in grey, cased

Heath & Co New Eltham London SE9. Brass sextant, no JJ59, "'Hezzanith' Endless Tangent screw automatic clamp patent", housed in a fitted mahogany box, together with "The Book of The Sextant" and an extract from "Reads Nautical Almanac"

H. Hughes & Son sextant (Husun), made for Dobbie McInnes Glasgow and tested circa 8/1/41, cased

Sextant

Brass & Rosewood Sextant

A 19th century brass sextant in mahogany case, indistinct marker's marks.

A Kelvin Hughes Sextant no. 70364 of 6" radius, in fitted wooden box with presentation plaque from Thames Nautical training college H.M.S. Worcester 1967, together with two volumes relating to sight reduction tables and navigation. (3)

A LATE 19TH CENTURY MAHOGANY CASED BRASS SEXTANT signed Owen Owens, South Castle Street Liverpool

A Cassens & Plath, West German 3305 ship's sextant with battery pack handle, in fitted wooden box

A late 19th century/early 20th century sextant of brass, ebonized wood and bone construction by J Jenkins of Swansea

Stanley sextant with crows foot London with leather case

A sextant by Lawrence and Mayo Ltd London, with certificate of examination dated May 1920, in fitted original case (N.B. case as found)

Late 19th/early 20th century Bell pattern (No 1) sextant with silvered scale, signed & Co. Ltd. Crayford, London, and accessories, in a mahogany case with National Physical Laboratory label inside lid and inset plate engraved D H Thomson RN.

H. Hughes & Sons Ltd London MK V III Ref: No 6B/118 No 227/38 Air Ministry Bubble Sextant together with an Air Ministry Mark IXA Bubble Sextant Ref. No 6B/218 Serial No. 11654/42 (V), both unboxed. (2)

Two glazed cased balance scales, three clocks and a sextant

Early 20th century brass ships compass, plaque reading Patt 0183, No 22480B, Early 20th century mahogany and bras two draw telescope and a sextant .

English 'Hezzanith' sextant with wooden case, 28cm x 27cm

A 20th century military brass navigational sextant instrument model No 4354 by C Plath Germany. Brass construction with adjustable optics. Complete in wooden case. Stamped Germany. C Plath made navigational instruments for the The Nazi Party German Army under the Third Reich. Measures 11cm wide.

A cased 'Hezzanith' sextant, case size 30 x 30 x 16cm.

A case containing several navigation instruments including a miniature sextant, telescope, compass and an hourglass, case size 23 x 13 x 8cm.

A German 8 inch radius vernier sextant by Frieberger Prazisionsmechanik:, number 780339, with sighting scope mirrors and shade on a matt grey frame, together with instructions and certificates in a fitted wooden case, Carl Zeiss Jena Ltd, Borehamwood retailer's label to lid interior.

A late 19th century 7 1/2 inch radius vernier sextant by W Stenton, Newport:, the plain three circle frame with brass and silvered arc signed as per tittle and calibrated to 150°, the radius arm with magnifier, fitted sighting tube and correct mirrors and shades, together with accessories in a fitted mahogany case.

A late 20th century 7 inch radius yacht sextant by VEB Freiberger Prazisionmechanik:, white painted frame , with calibrated arc , mirrors and shades in a fitted case.

A 7 1/2 inch radius brass vernier sextant by C Plath, Hamburg:, the arc calibrated to 120° and signed as per title, numbered '8054', fitted sighting scope, mirrors and shades 24cm long.

Brass sextant, brass compass, Ronson razor (3)

A cased Naval Sextant. Est. £50 - £80.

W & S JONES; an early 19th century theodolite, inscribed to the base 'W&S Jones 30 Holbourn, London' also an early 20th century brass cased pocket sextant, numbered 33000 to the case (2).