Lot 251 - [M] a Polyhedral slate sundial by richard melvin,...

Sold for £1,860
Estimated at £1,000 - £1,500

Lot 252 - [M] A RARE EARLY 18TH CENTURY BRASS DECLINATORY DIAL

Estimated at £400 - £600

Lot 253 - [M] A LARGE SLATE SUNDIAL, PROBABLY IRISH, CIRCA...

Sold for £496
Estimated at £400 - £600

Lot 254 - [M] A 20TH CENTURY BRASS SUNDIAL BY TOPOCHAIX À...

Sold for £397
Estimated at £250 - £350

Lot 255 - [M] AN ITALIAN CARD AND PAPER WORLD TIME...

Sold for £136
Estimated at £80 - £120

Lot 256 - [M] A 19TH CENTURY DRY CARD COMPASS BY T. SQUIRE,...

Sold for £372
Estimated at £300 - £500

Lot 257 - [M] A DRY CARD BOAT COMPASS BY DRING & FAGE,...

Sold for £149
Estimated at £300 - £500

Lot 258 - [M] A GOOD ADMIRALTY PATTERN 20 BOAT'S COMPASS BY...

Sold for £5,208
Estimated at £800 - £1,200

Lot 259 - [M] A POCKET COMPASS BY G. BRADFORD, LONDON, CIRCA...

Estimated at £200 - £300

Lot 260 - [M] A POCKET COMPASS BY GILBERT & WRIGHT, LONDON,...

Estimated at £400 - £600

Lot 261 - [M] Ø A 19TH CENTURY IVORY POCKET...

Sold for £124
Estimated at £100 - £150

Lot 262 - [M] A WALKER'S HARPOON II DEPTH FINDER, CIRCA...

Sold for £471
Estimated at £150 - £250

Lot 263 - [M] A DRUM SEXTANT BY ELIZA LENNIE, EDINBURGH,...

Sold for £74
Estimated at £150 - £250

Lot 264 - [M] A DRUM SEXTANT BY TROUGHTON & SIMMS, LONDON,...

Sold for £99
Estimated at £150 - £250

Lot 265 - [M] AN 18TH CENTURY BRASS GRAPHOMETER BY PIERRE...

Sold for £310
Estimated at £300 - £500

Lot 266 - [M] A 13½IN. RADIUS VERNIER OCTANT BY SPENCER,...

Sold for £310
Estimated at £300 - £500

Lot 267 - [M] Ø A 8½IN. RADIUS VERNIER OCTANT BY BY D....

Sold for £347
Estimated at £250 - £350

Lot 268 - [M] Ø A 15½IN. RADIUS VERNIER OCTANT, CIRCA...

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

Lot 269 - [M] Ø A 7½IN. RADIUS VERNIER OCTANT BY FRODSHAM &...

Sold for £372
Estimated at £300 - £500

Lot 270 - [M] A 8¼IN. RADIUS VERNIER SEXTANT BY THOMAS JONES, LONDON, CIRCA 1811

Estimated at £350 - £450

Lot 271 - [M] A 7¼IN. RADIUS VERNIER SEXTANT BY SEWILL,...

Sold for £434
Estimated at £300 - £500

Lot 272 - [M] A FINE 8IN. RADIUS VERNIER SEXTANT BY GEORGE...

Sold for £347
Estimated at £300 - £500

Lot 273 - Ø [M] Ø A 7½IN. RADIUS VERNIER SEXTANT BY BOTTOMLEY, LONDON, CIRCA 1890

Estimated at £250 - £350

Lot 274 - [M] AN EXCEPTIONAL MAHOGANY BREAK-FRONT MICROSCOPE...

Sold for £11,160
Estimated at £8,000 - £12,000

Lot 275 - [M] ADAMS, GEORGE, 'ESSAYS ON THE...

Sold for £521
Estimated at £400 - £600

Lot 276 - [M] BAKER, HENRY, 'EMPLOYMENT FOR THE...

Estimated at £600 - £800

Lot 277 - [M] RAY SOCIETY
21 vol. (some odd), original...

Sold for £471
Estimated at £600 - £800

Lot 278 - [M] CARPENTER W.B. AND DALLINGER, W.H., 'THE...

Sold for £68
Estimated at £100 - £150

Lot 279 - [M] BAKER, HENRY, 'OF MICROSCOPES AND THE...

Estimated at £120 - £180

Lot 280 - [M] BAKER, HENRY, 'THE MICROSCOPE MADE...

Estimated at £120 - £180

Lot 281 - [M] KENT, W. SAVILLE, 'A MANUAL OF THE...

Sold for £211
Estimated at £120 - £180

Lot 282 - [M] RALF JOHN, 'THE BRITISH DESMIDIEAE'
numerous...

Sold for £112
Estimated at £120 - £180

Lot 283 - [M] ADAMS, GEORGE, 'ESSAYS ON THE...

Sold for £124
Estimated at £200 - £300

Lot 284 - [M] CHRISTIE'S SCIENTIFIC INSTRUMENT...

Sold for £248
Estimated at £150 - £250

Lot 285 - [M] SOTHEBY'S SCIENTIFIC CATALOGUES
approximately...

Sold for £298
Estimated at £200 - £400

Lot 286 - [M] A RARE WENHAM & STEPHENSON PATTERN BINOCULAR...

Sold for £4,712
Estimated at £2,000 - £3,000

Lot 287 - [M] A MICRO-TELESCOPE BY F. DAVIDSON & CO.,...

Sold for £372
Estimated at £300 - £500

Lot 288 - [M] A GOOD JUG-HANDLED MONOCULAR MICROSCOPE BY...

Sold for £434
Estimated at £400 - £600

Lot 289 - [M] A MARTIN-TYPE DRUM MICROSCOPE CIRCA...

Sold for £273
Estimated at £150 - £250

Lot 290 - [M] Ø A RARE MICROSCOPE COMPENDIUM BY EDWARD...

Sold for £1,364
Estimated at £800 - £1,200

Lot 292 - [M] A COLLECTION OF APPROXIMATELY 600 MICROSCOPE...

Sold for £2,480
Estimated at £1,000 - £1,500

Lot 293 - [M] A COLLECTION OF APPROXIMATELY 550 MICROSCOPE...

Sold for £3,968
Estimated at £1,000 - £1,500

Lot 294 - [M] A COLLECTION OF LARGELY PETROLOGICAL SLIDES,...

Sold for £1,736
Estimated at £600 - £800

Lot 295 - [Z] BAKER, HENRY, 'OF MICROSCOPES AND THE DISCOVERIES MADE THEREBY'

Sold for £2,976

Lot 296 - [Z] BAKER, HENRY, 'THE MICROSCOPE MADE EASY'

Sold for £1,364

Lot 297 - [M] Ø A COLLECTION OF APPROXIMATELY 400 MICROSCOPE...

Sold for £3,100
Estimated at £600 - £800

Lot 298 - [M] A 5IN. ASTRONOMICAL REFRACTING TELESCOPE BY T....

Sold for £2,480
Estimated at £2,000 - £3,000

Lot 299 - [M] A 2¾IN. SINGLE DRAW ASTRONOMICAL TELESCOPE BY...

Sold for £347
Estimated at £200 - £400