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An early 20th century sextant by Heath & Co Ltd, Crayford, London, with certificate of examination, numbered M235, all within original fitted mahogany case

Sextant by D.M. McGregor, c.1850

A cased Royal Navy Marine sextant from HMS Somerset.

An ebony, brass and ivory-mounted ships sextant, by Stebbing, Portsmouth, together with a brass trailing log and brass 360-circular scale (3)

An late 19th century brass-mounted ebony sextant with ivory scale and maker's label, in fitted mahogany hinged box

An early 20th century lacquered metal and brass sextant with various fitted brass lens and filters, in fitted mahogany box with maker label of 'E. Smith, maker to The Royal Navy'

A cased sextant by H.W.G. Crauford, London, belonging to Captain Michael Lindsay Coulton Crawford

A cased brass sextant inscribed 'Stevenson & Harris Aberdeen'.

A cased Lilley & Reynolds sextant.

A BOX AND LOOSE SUNDRY ITEMS, to include child's rocking horse 'The Pony Stable', boxed brass sextant, H&K Tunstall ceramics, pair seated dogs etc

A 8IN. RADIUS DOUBLE-FRAMED PLATINUM-SCALED SEXTANT BY EDWARD TROUGHTON, LONDON, CIRCA 1820 the ebonised T-frame with polished brass arc signed Troughton London and inscribed Platina and with later owner's stamp EE the inset scale divided to 150°, vernier with bridge mounted swivelling magnifier, braced index arm, two mirrors, seven shades, contained within fitted keystone case with securing hook -- 10in. (25.5cm.) wide

A 8¼IN. RADIUS VERNIER SEXTANT BY THOMAS JONES, LONDON, CIRCA 1811 the oxidised brass lattice frame with polished brass arc signed Thos Jones, 21 Oxenden Street, London and engraved Capt Leyland, inset silvered scale divided to 130º, vernier with magnifier, seven shades, two mirrors and wooden handle, contained within fitted keystone box of issue with sighting tubes, box -- 12½in. (32cm.) wide

A 7IN. RADIUS LATTICE FRAME SEXTANT BY F. SMITH & SONS OPTICIANS, SOUTHAMPTON & COWES, CIRCA 1890 with oxidised brass frame, signed on the arc as per title with inset silvered scale divided to 150°, vernier with magnifier, mirrors, seven shades and wooden handle, contained in original fitted case with four sighting tubes and accessories -- 11in. (28cm.) wide

Ø A 7½IN. RADIUS VERNIER SEXTANT BY BOTTOMLEY, LONDON, CIRCA 1890 the oxidised brass ladder frame with polished brass arc signed as per title and numbered 5039 and inscribed R.M. Harboard, R.N. , inset silvered scale divided to 140º, vernier with magnifier, seven shades, two mirrors and ebony handle, contained within box of issue with arsenic green maker's label in lid and correction certificate from 1974, sighting tubes, box -- 11in. (28cm.) wide

A 7IN. RADIUS HEART-FRAMED SEXTANT BY HEATH & CO. LTD, NEW ELTHAM, LONDON, CIRCA 1933 the oxidised brass frame with polished arc signed as per title and numbered U03 , index arm with quick release clamp and swivel magnifier, seven shades, two mirrors, contained in original fitted box of issue with three sighting tubes and test certificate dated for 1933, drop handle and securing hooks -- box 11in. (28cm.) wide

A sextant (marks unclear) in a wooden box

An Air Ministry bubble sextant mark IX, mid 20th CenturySextant produced by SS & S Ltd of London, complete with aluminium carrying case An Air Ministry bubble sextant mark IX, mid 20th CenturySextant produced by SS & S Ltd of London, complete with aluminium carrying case

3x WW1 Period British Officers Measuring Instruments, consisting of a pocket or boxed sextant retailed by J Buckley, Dublin. Housed in its original leather carry case having the initials “H.C.P”; a Barkers Patent Angle of Sight instrument housed in its original leather case with initials “H.C.P” and a Service Pattern Clinometer by Lawrence & Mayo, London, housed in brown leather case of issue. All appear to be in good condition but sold as viewed. (3 items)

Cook, Hull Sextant No. 4628, of 6.5inch radius and reading to 10inches. (Boxed)

A Bubble sextant, cased

Henry Hughes & Son Reflecting sextant in original mahogany fitted case. Plaque to handle of sextant is mounted in bone marked J.H Agar Baugh London, C P B Boyce. Comes with original manual. Box bearing label to top - 'Peninsular and oriental Steam Navigation Company 'Baggage'

A cased bubble sextant.

A Ross of London sextant

A Victorian sextant with its mahogany fitted case, bearing trade label for D.McGregor & Co Liverpool

A CHINESE MARINE SEXTANT, No. 261003, in a fitted case.

Heath & Co (London) Sextant No.KK758 with Hezzanith endless tangent screw and certificate from The National Physical Laboratory dated 19th January 1944 (cased)

Brass sextant marked Kelvin and Hughes

Interesting nautical lot to include a hardwood box containing a sextant and a framed collection of various sailors knots

A 19th century brass sextant, signed McMillan & Talbott, 13 Tower Hill London, cased

HH&S Ltd Bubble Sextant Mk. IX Model:6B/151

B. Cooke & Son of Hull Wood Cased Sextant

A Kelvin & Hughes sextant in carrying case, together with a pair of binoculars CONDITION REPORTbinoculars make DOLLAND LONDON & PROVINCES OWLEPT 7X50

Troughton & Simms sextant, width 15.5cm approx., contained in fitted oak case

Hezzanith sextant by Heath & Co, Ltd, New Eltham, London, circa early 20th century, contained in original fitted oak case (sold as seen)

French sextant by E. Lorieux, Paris (no. 1468), circa early 19th century, 22cm x 28cm approx. (sold as seen)

Hezzanith sextant, by Heath & Co. (New Eltham, London), circa early to mid 20th Century, 27cm x 26cm approx., contained in original fitted oak case

A REPRODUCTION SEXTANT, vintage cameras and mixed sundries

Stanley brass sextant, A.W. Faber slide rule in travelling case, Unique slide rule in travelling case, Thornton slide rule in travelling case, Thornton slide rule, (5)

A German cased sextant

A brass sliding rule by G. Lee & Sons, The Hard, Portsmouth, in fitted wooden box, another brass sliding rule in box, a boxed 'Field's Improved Patent wooden parallel rule and a modern brass sextant

A reproduction brass sextant, housed in brass-bound teak box.

A cased reproduction quarter-sized Vernier sextant and a novelty wall clock in the shape of a lifebelt with various maritime decorations to the clock vase, to include a ship's wheel, bucket and maritime knots (2).

A Henry Barrow & Co. of 26 Oxendon Street, London, sextant (cased)

Henry Baron & Co, London, sextant 

A STANLEY 1911 PATTERN BRASSED CASED CIRCULAR POCKET SEXTANT, in its leather carrying case, good condition throughout

Brass Sextant C.1900, English, signed 'H Hughes & Son Ltd, 59 Fenchurch St, London' finished in lacquered brass with optical telescope, filters, wooden handle; with set of Vista 10x50 binoculars in a case

A Large Brass Sextant Collimator C.1900, English, unsigned, with a heavy brass table on adjustable screw feet, with collimator telescope tube, mirror (worn) on adjustable feet, three adjustable stands for the sextantPlease Note: the sextant is not included in this lot. It is there just to show how the collimator is set up

A Pocket or Box Sextant, by Troughton & Simms London, retailed by Hughes Owens Co., Montreal

A Brass 7" Radius Heath & Co London Mark III Sextant. The brass sextant with silver inset scale index arm with magnifier, thumb screw lock, horizon mirror, coloured lens and 7" brass telescope with additional ocular and objectives all contained within the original mahogany box, the whole stored in the original leather case (af), with gold tooling Heath & Co Ltd, New Eltham London. Numbered U369 National Physical Laboratory Certificate of Examination dated Jan 1920 and a further pink slip indicating adjustment in 1943.

An early 20thC brass and black finished metal sextant OS5

A 1915 MILITARY TYPE POCKET SEXTANT BY HEATH & Co. LONDON TOGETHER WITH MILITARY BADGES,ETC.

Brass sextant by Owen Owens, South Castle Street, Liverpool, circa 1830, signed silvered vernier scale fitted with a magnifying arm, three sun and three horizon shades, in a fitted mahogany case

A CASED 1970'S TOIZAKI & CO LTD SEXTANT, No.7217, examination certificate dated 13/5/72, with small nautical compass, both in original fitted case (2)

Waymouth-Cooke Naval Range Finder, c 1920, T Cooke & Sons, Sextant Range Finder, Mark II, No 1066, Patent No 1599/1914, black, some paint loss, optical elements G, in maker's wood case (different serial number on lid), worn condition

A small reproduction sextant (52)

Cased brass nautical sextant

TRAY CONTAINING BRASS SHIPS COMPASS, BRASS SEXTANT, 3 VARIOUS OTHER COMPASSES, ADVERTISING ASHTRAY ETC

A 1940's sextant in case, marked bubble sextant mark IX with war department arrow and air ministry marking.

BRASS SEXTANT, made for The Royal Navy London, along with two other cased instruments

AVIATION INTEREST AM BUBBLE SEXTANT MARK IXA REF 6B/218 IN CASE AM 4679/41 IN CASE MARKED 396/42