Lot 246 - [M] A TWO-DAY MARINE CHRONOMETER BY G.U.B. GLASHÜTTE, CIRCA 1955

Sold for £682
Estimated at £600 - £800

Lot 247 - [M] A TWO-DAY MODEL 21 MARINE CHRONOMETER BY HAMILTON, LANCASTER, PA, MID-20TH CENTURY

Sold for £1,240
Estimated at £1,000 - £1,500

Lot 248 - [M] A TWO-DAY MODEL 21 MARINE CHRONOMETER BY HAMILTON, LANCASTER, PA, CIRCA 1941

Sold for £868
Estimated at £1,000 - £1,500

Lot 249 - [M] A SUNSHINE RECORDER BY NEGRETTI & ZAMBRA, LONDON, CIRCA 1930

Sold for £992
Estimated at £300 - £500

Lot 250 - [M] A ¾IN. SINGLE DRAW MARINE TELESCOPE BY J. DOLLOND & SON, LONDON, CIRCA 1760

Sold for £471
Estimated at £300 - £400

Lot 251 - [Z] A GOOD 2¼IN. LEATHER AND BRASS MARINE TELESCOPE BY NEGRETTI & ZAMBRA, LONDON, CIRCA 1890

Sold for £186
Estimated at £150 - £250

Lot 252 - [M] A 1¼IN. FOUR DRAW POCKET TELESCOPE BY H. WEBSTER, BAYSWATER, CIRCA 1850

Estimated at £200 - £300

Lot 253 - [M] A 3IN. FIVE DRAW SPOTTING TELESCOPE BY BROADHURST CLARKSON & CO. LTD, LONDON, CIRCA 1965

Sold for £347
Estimated at £200 - £300

Lot 254 - [M] A 3IN. FIVE DRAW STANDARD MODEL SPOTTING TELESCOPE BY W. WATSON & SONS LTD, LONDON, CIRCA 1965

Sold for £174
Estimated at £200 - £300

Lot 255 - [M] A 3IN. FIVE DRAW SPOTTING TELESCOPE BY BROADHURST CLARKSON & CO. LTD, LONDON, CIRCA 1965

Sold for £149
Estimated at £200 - £300

Lot 256 - [M] A 3IN. FIVE DRAW SPOTTING TELESCOPE BY BROADHURST CLARKSON & CO. LTD, LONDON, CIRCA 1965

Sold for £198
Estimated at £200 - £300

Lot 257 - [M] A SET OF MEADE TELESCOPE ACCESSORIES

Sold for £372
Estimated at £200 - £300

Lot 258 - [M] A PAIR OF MODERN 15 X 110 OBSERVATION BINOCULARS BY HELIOS

Sold for £2,108
Estimated at £500 - £800

Lot 259 - [M] A SURVEYOR'S LEVEL BY CHARLES LINCOLN, LONDON, CIRCA 1800

Sold for £223
Estimated at £200 - £300

Lot 260 - [M] Ø A SIMPLE MICROSCOPE, ENGLISH, CIRCA 1750

Sold for £397
Estimated at £250 - £350

Lot 261 - [Z] A MICROSCOPE AND SLIDES

Sold for £992
Estimated at £200 - £300

Lot 262 - [M] A LATE 19TH CENTURY MONOCULAR MICROSCOPE BY ROSS, LONDON

Sold for £236
Estimated at £100 - £150

Lot 263 - [M] A 19TH CENTURY MICROSCOPE OIL LAMP, CIRCA 1880

Sold for £273
Estimated at £80 - £120

Lot 264 - [M] A MONOCULAR MICROSCOPE BY J. SALMON, LONDON, CIRCA 1870

Sold for £248
Estimated at £250 - £350

Lot 265 - [M] MICROSCOPE SLIDES FROM THE PERSONAL COLLECTION OF FRED ENOCK (1845-1916)

Estimated at £10,000 - £15,000

Lot 266 - [M] A CABINET OF MICROSCOPE SLIDES

Sold for £1,488
Estimated at £300 - £400

Lot 267 - [M] A COLLECTION OF SLIDES FORMED BY DR GEORGE DRANSFIELD-BROWN (1828-1885)

Sold for £1,612
Estimated at £150 - £250

Lot 268 - [M] A SET OF DRAWING INSTRUMENTS BY GEORGE ADAMS, LONDON, CIRCA 1750

Sold for £2,232
Estimated at £1,000 - £1,500

Lot 269 - [M] Ø A BOXED SET OF SCALES AND OFF-SETS BY STANLEY, LONDON, CIRCA 1900

Sold for £161
Estimated at £150 - £200

Lot 270 - [M] Ø A 19TH CENTURY IVORY AND BRASS CALIPER ROPE GAUGE BY W.H. LAIDLER, LONDON

Sold for £198
Estimated at £100 - £150

Lot 271 - [M] A 19TH CENTURY BOXWOOD TWO SLIDE FLAT GAUGER'S RULE BY DRING & FAGE, LONDON, CIRCA 1850

Estimated at £200 - £300

Lot 272 - [M] Ø A FOLDING IVORY 2FT RULE, CIRCA 1900 & five others

Sold for £174
Estimated at £150 - £250

Lot 273 - [M] A RARE SET OF PRECISION THERMOMETERS BY TROUGHTON & SIMMS, LONDON, CIRCA 1850

Sold for £595
Estimated at £600 - £800

Lot 274 - [M] A FINE AND RARE LARGE TUBE SCIENTIFIC BAROMETER, ATTRIBUTED TO TROUGHTON & SIMMS, LONDON, CIRCA 1820

Sold for £2,232
Estimated at £2,000 - £3,000

Lot 275 - [M] Ø A MARINE BAROMETER BY DRING & FAGE, LONDON CIRCA 1820

Sold for £558
Estimated at £600 - £800

Lot 276 - [M] Ø A MARINE BAROMETER BY W.B. ROSS, SUNDERLAND, CIRCA 1840; and a pair of Negretti & Zambra binoculars

Sold for £248
Estimated at £300 - £500

Lot 277 - [M] AN EIGHT-DAY BAROGRAPH BY NEGRETTI & ZAMBRA, LONDON. CIRCA 1920

Sold for £558
Estimated at £300 - £500

Lot 278 - [M] A MICROBAROGRAPH BY SHORT & MASON, LONDON, 1959

Sold for £682
Estimated at £600 - £800

Lot 279 - [M] A MET OFFICE PRECISION ANEROID BAROMETER MK. I, BY NEGRETTI & ZAMBRA, CIRCA 1981

Sold for £136
Estimated at £100 - £150

Lot 280 - [M] A NEGRETTI & ZAMBRA 1915 PATENT WEATHER FORECASTER

Sold for £248
Estimated at £100 - £150

Lot 281 - [M] A STORMOGUIDE BY SHORT & MASON, CIRCA 1932

Sold for £620
Estimated at £400 - £600

Lot 282 - [M] A STEAM TURBINE KENOTOMETER BY BRADY & MARTIN LTD, NEWCASTLE ON TYNE, CIRCA 1935

Sold for £186
Estimated at £100 - £150

Lot 283 - [M] A MYSTERY BAROMETER BY C. P. GOERZ, BERLIN FOR THE ENGLISH MARKET, CIRCA 1925

Sold for £248
Estimated at £150 - £250

Lot 284 - [M] A COPPER AND BRASS LIGHTNING CONDUCTOR, CIRCA 1900

Sold for £62
Estimated at £80 - £120

Lot 285 - [M] AN EARLY 19TH CENTURY BRASS AND STEEL SCARIFIER BY LAUNDY, LONDON

Sold for £105
Estimated at £100 - £150

Lot 286 - [M] AN EARLY 19TH CENTURY SCARIFIER`

Sold for £112
Estimated at £100 - £150

Lot 287 - [M] AN EARLY 19TH CENTURY SCARIFIER BY WEISS, LONDON

Sold for £118
Estimated at £100 - £150

Lot 288 - [M] Ø AN EARLY 19TH CENTURY IVORY AND STEEL TOOTH KEY, BY WEISS, LONDON

Estimated at £250 - £350

Lot 289 - [M] A RARE DENTAL ARTICULATOR, POSSIBLY GERMAN CIRCA 1920

Estimated at £600 - £800

Lot 290 - [M] A SET OF PORTABLE SCALES FOR THE COUNTY OF KENT BY W.T AVERY, CIRCA 1900 + weights

Sold for £397
Estimated at £250 - £350

Lot 291 - [M] A FOWLER'S 'MAGNUM' LONG SCALE CALCULATOR

Sold for £149
Estimated at £100 - £150

Lot 292 - [M] AN OSCILLATING VACUUM PUMP BY THE PULSOMETER ENGINEERING CO. LTD, LONDON, CIRCA 1900

Sold for £124
Estimated at £150 - £250

Lot 293 - [M] A COLLECTION OF EARLY ELECTRICAL WOOD AND BRASS INSTRUMENTS

Sold for £248
Estimated at £250 - £350