Lot 245 - [M] A RARE 3¼IN. RADIUS FLYING BOAT MICROMETER SEXTANT BY HENRY HUGHES & SONS, LONDON, CIRCA 1941

Sold for £322
Estimated at £250 - £350

Lot 246 - [M] A DRUM SEXTANT BY DUNN, EDINBURGH, CIRCA 1880; and two others

Sold for £186
Estimated at £250 - £350

Lot 247 - [M] A TYCOS CYCLO-STORMOGRAPH BY F. SMITH & SON, SOUTHAMPTON, CIRCA 1935

Sold for £397
Estimated at £300 - £500

Lot 248 - [M] AN EIGHT-DAY RECORDING BAROGRAPH BY J.H. STEWARD, WON AS A PRIZE IN THE 1903 PLYMOUTH REGATTA

Sold for £434
Estimated at £250 - £350

Lot 249 - [M] A WEATHER STATION BY CALLAGHAN, LONDON, CIRCA 1890

Sold for £298
Estimated at £300 - £500

Lot 250 - [M] Ø AN ANEROID DESK BAROMETER BY C.W. DIXEY, LONDON, CIRCA 1850

Sold for £868
Estimated at £250 - £350

Lot 251 - [M] A PORTABLE ANEROID BAROMETER BY F. BARKER & SON, LONDON, CIRCA 1900; and another

Sold for £273
Estimated at £250 - £350

Lot 252 - [M] Ø AN ATTRACTIVE MARINE BAROMETER BY MELLING & PAYNE, LIVERPOOL, CIRCA 1850

Sold for £682
Estimated at £400 - £600

Lot 253 - [M] Ø A MID-19TH CENTURY MARINE SYMPIESOMETER BY GRAHAM, WAPPING & LIVERPOOL, OWNED BY WALTER GOODSALL, NAVIGATION OFFICER ABOARD THE S.S. GREAT EASTERN CIRCA 1865

Sold for £3,968
Estimated at £1,500 - £2,500

Lot 254 - [M] Ø A LIFEBOAT STATION BAROMETER BY T.B. WINTER, NEWCASTLE UPON TYNE FOR WHITBURN LIFEBOAT STATION, CIRCA 1870

Estimated at £600 - £800

Lot 255 - [Z] A SYMPIESOMETER BY J. POOLE, LONDON, CIRCA 1855

Sold for £992
Estimated at £800 - £1,200

Lot 256 - [M] A FORTIN-TYPE BAROMETER BY PHILIP HARRIS LTD, BIRMINGHAM, CIRCA 1950

Sold for £124
Estimated at £200 - £300

Lot 257 - [M] Ø A LATE 19TH/EARLY 20TH CENTURY PATTERN 20 PORTABLE BOAT COMPASS BY DENT

Sold for £2,976
Estimated at £1,000 - £1,500

Lot 258 - [M] A GOOD 'FAITHFUL FREDDIE' TYPE SUBMARINE COMPASS, CIRCA 1910

Estimated at £800 - £1,200

Lot 259 - [M] A BRASS STATION POINTER BY W. LUDOLPH, BREMERHAVEN, CIRCA 1920; and a roller rule

Sold for £99
Estimated at £150 - £250

Lot 260 - [M] A BRASS STATION POINTER, CIRCA 1950

Sold for £62
Estimated at £100 - £150

Lot 261 - [M] A DECORATIVE BRASS AND WOOD DESK COMPASS

Sold for £198
Estimated at £100 - £150

Lot 262 - [M] A SHIP'S COURSE CORRECTOR BY BAIN & AINSLEY, CARDIFF, CIRCA 1880

Sold for £273
Estimated at £200 - £300

Lot 263 - [M] AN EARLY 19TH CENTURY SURVEYOR'S COMPASS

Sold for £967
Estimated at £150 - £250

Lot 264 - [Z] A PLANE TABLE SURVEYING COMPASS BY GEORGE ADAMS, LONDON, CIRCA 1740 & an eyepiece

Sold for £521
Estimated at £200 - £400

Lot 265 - [M] AN 18TH CENTURY POCKET COMPASS SUNDIAL; and 2 other compasses

Sold for £397
Estimated at £150 - £250

Lot 266 - [M] AN EARLY 18TH CENTURY IRON TELESCOPE STAND

Sold for £645
Estimated at £200 - £300

Lot 267 - [M] A 1½iN. THREE-DRAW WOOD AND BRASS MARINE TELESCOPE BY J. CULMER, LONDON, CIRCA 1802

Sold for £298
Estimated at £250 - £350

Lot 268 - [M] A 2IN. FOUR DRAW WOOD AND BRASS TELESCOPE BY JEREMIAH WATKINS, LONDON, CIRCA 1800

Estimated at £100 - £150

Lot 269 - [M] A 1½IN. SINGLE DRAW ACHROMATIC MARINE TELESCOPE BY DOLLOND, CIRCA 1830

Sold for £186
Estimated at £150 - £250

Lot 270 - [Z] A 2IN. MARINE TELESCOPE BY DOLLOND, CIRCA 1790

Sold for £136
Estimated at £100 - £150

Lot 271 - [M] A 2IN. MARINE PATTERN TELESCOPE, CIRCA 1790

Sold for £112
Estimated at £150 - £250

Lot 272 - [Z] A RARE PLANE TABLE 4½IN. RADIUS QUADRANT BY W. & S. JONES, LONDON, CIRCA 1800

Sold for £2,728
Estimated at £600 - £800

Lot 273 - [M] A SURVEYING THEODOLITE BY TROUGHTON & SIMMS, LONDON, CIRCA 1820

Sold for £558
Estimated at £350 - £450

Lot 274 - [M] A FINE AND ORIGINAL LATE 18TH CENTURY THEODOLITE BY W. & S. JONES, HOLBORN, LONDON

Sold for £1,364
Estimated at £1,000 - £1,500

Lot 275 - [Z] Ø A PAIR OF SILVER SPECTACLES, 1821-22 in tortoiseshell case

Estimated at £200 - £300

Lot 276 - [M] Ø A 1IN. MONOCULAR BY DOLLOND, LONDON, CIRCA 1790

Sold for £248
Estimated at £200 - £300

Lot 277 - [M] A RARE AUTOGRAPHED BILL OF SALE BY JESSE RAMSDEN, 1772

Sold for £397
Estimated at £100 - £150

Lot 278 - [M] A RARE AUTOGRAPHED BILL OF SALE BY JESSE RAMSDEN, 1772

Sold for £682
Estimated at £150 - £250

Lot 279 - [M] A LUNAR STEREOCARD BY C. BIERSTADT, NIAGARA FALLS, NY, PROBABLY CIRCA 1890; and another similar

Estimated at £150 - £250

Lot 280 - [M] "JOHN MARSHALL'S NEW INVENTED DOUBLE MICROSCOPE ..."

Sold for £223
Estimated at £80 - £120

Lot 281 - [M] Ø AN IVORY 'ACORN' FLEAGLASS POCKET MICROSCOPE, CIRCA 1790

Sold for £1,488
Estimated at £600 - £800

Lot 282 - [M] A CUFF TYPE COMPASS MICROSCOPE, PROBABLY 19TH CENTURY

Sold for £496
Estimated at £200 - £300

Lot 283 - [M] AN EARLY ANDREW PRITCHARD COMPOUND MONOCULAR MICROSCOPE, ENGLISH 1835-1838

Sold for £1,240
Estimated at £700 - £900

Lot 284 - [M] A COMPOUND MONOCULAR MICROSCOPE BY NEWTON & CO., LONDON, CIRCA 1865

Estimated at £800 - £1,200

Lot 285 - [Z] A COLOURED FRONTISPIECE FROM MERCATOR & HONDIUS'S ATLAS OF 1604

Sold for £471
Estimated at £150 - £250

Lot 286 - [M] AN EARLY 18TH CENTURY GERMAN BOOKPLATE OF A GENTLEMAN'S CABINET

Sold for £298
Estimated at £40 - £60

Lot 287 - [Z] 'THE TREATISE ON THE ASTROLABE BY GEOFFREY CHAUCER'

Sold for £74
Estimated at £80 - £120

Lot 288 - [Z] FERGUSON, JAMES: Astronomy explained upon Sir Isaac Newton’s Principles

Sold for £273
Estimated at £120 - £180

Lot 289 - [M] "A NEW MAP OF THE WORLD WITH ALL THE NEW DISCOVERIES BY CAPT. COOK AND OTHER NAVIGATORS ..."

Sold for £2,728
Estimated at £300 - £500

Lot 290 - [Z] AN 18IN. SMITH’S TERRESTRIAL GLOBE BY GEORGE PHILLIP & SON LTD, LONDON, CIRCA 1890

Sold for £1,488
Estimated at £2,000 - £3,000

Lot 291 - [M] A 4IN. TERRESTRIAL DESK GLOBE BY E. BERTAUX, PARIS, CIRCA 1890

Sold for £186
Estimated at £150 - £250

Lot 292 - [M] A SET OF DRAWING INSTRUMENTS BY GEORGE ADAMS, LONDON, CIRCA 1750

Estimated at £2,500 - £3,500