Photographs, Optical Toys & Science

Date: 12th May, 2026 11:00

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Current lots (363)

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CANNOT CONNECT

Lot 241 - Thomas de Colmar, Arithmomètre, c. 1870

Estimate: £200 - £400

Fees apply

CANNOT CONNECT

Lot 242 - Thomas de Colmar, Arithmomètre, c. 1870

Estimate: £1,500 - £2,500

Fees apply

CANNOT CONNECT

Lot 243 - Odhner, Willgodt Theophil, Arithmometer

Estimate: £1,500 - £2,500

Fees apply

CANNOT CONNECT

Lot 244 - Thomas de Colmar Arithmometer, Mechanical Calculator

Estimate: £600 - £1,200

Fees apply

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Lot 245 - A C&E Layton's Improved Arithmometer

Estimate: £200 - £400

Fees apply

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Lot 246 - Collection of 3 Bri-Cal Adding Machines

Estimate: £80 - £120

Fees apply

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Lot 247 - Thomas Dunn, Circular TIme Table

Estimate: £100 - £200

Fees apply

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Lot 248 - 5" Halden Calculex Circular Slide Rules

Estimate: £200 - £300

Fees apply

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Lot 249 - W. Waddington, Lords Calculator

Estimate: £300 - £500

Fees apply

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Lot 250 - W. Wilson, Lords Patent Double Sided Calculator

Estimate: £200 - £400

Fees apply

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Lot 251 - Fowler & Co. Double Sided Artillary Calculator

Estimate: £150 - £250

Fees apply

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Lot 252 - G. F. Wilson, Silver Lords Calculator

Estimate: £200 - £300

Fees apply

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Lot 253 - Edward Wilsons 'Pocket Watch' Slide Rule

Estimate: £500 - £800

Fees apply

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Lot 254 - Early First Form, Fowler's Calculator

Estimate: £200 - £300

Current bid £160

Fees apply

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Lot 255 - Fuller's Calculator, With Scale of Sines & Logs

Estimate: £100 - £200

Current bid £80

Fees apply

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Lot 256 - Fuller's Calculator

Estimate: £80 - £120

Fees apply

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Lot 257 - Stanley & Co, Fuller Calculator

Estimate: £80 - £120

Fees apply

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Lot 258 - Bakelite Fuller's Calculator

Estimate: £80 - £120

Fees apply

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Lot 259 - Curta II Calculator

Estimate: £300 - £500

Current bid £380

Fees apply

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Lot 260 - Stanley 100-inch Slide Rule

Estimate: £80 - £120

Current bid £65

Fees apply

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Lot 261 - C. T Cooper & Sons, Baines Slide Rule

Estimate: £200 - £400

Current bid £160

Fees apply

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Lot 262 - An Early 18th Century Late Stuart, Textile Ell Measure

Estimate: £200 - £300

Fees apply

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Lot 263 - Lord's Cotton Cloth Coster

Estimate: £300 - £500

Fees apply

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Lot 264 - B. J. Hall & Co. Computing Scale

Estimate: £80 - £120

Fees apply

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Lot 265 - Holtzapffel & Co. Proportional Dividers

Estimate: £80 - £120

Fees apply

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Lot 266 - Messer, Unusually Small Pantograph

Estimate: £80 - £120

Fees apply

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Lot 267 - B. Martin, Protractor

Estimate: £100 - £200

Fees apply

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Lot 268 - Adams, A Fine Set of Gunners Calipers

Estimate: £1,000 - £1,500

Fees apply

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Lot 269 - Farey Ellipsograph

Estimate: £1,000 - £2,000

Fees apply

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Lot 270 - A Large & Complex Victorian Ellipsograph

Estimate: £400 - £600

Fees apply

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Lot 271 - 2 19th Century Swing Arm Protractors

Estimate: £100 - £200

Fees apply

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Lot 272 - A Very Large Set of Archimedian- Type Elliptical Tramels

Estimate: £100 - £200

Current bid £80

Fees apply

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Lot 273 - 2 19th Century Swing Arm Protractors

Estimate: £80 - £120

Fees apply

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Lot 274 - 2 Large 19th Century Swing Arm Protractors

Estimate: £100 - £200

Fees apply

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Lot 275 - An Early Set of Bone & Brass Compass Pens

Estimate: £50 - £100

Fees apply

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Lot 276 - An Important Map Measuring Instrument

Estimate: £600 - £800

Fees apply

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Lot 277 - Collection of Scales

Estimate: £100 - £200

Current bid £85

Fees apply

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Lot 278 - W & S Jones, Equal-Arm Hydrostatic Balance

Estimate: £500 - £700

Current bid £420

Fees apply

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Lot 279 - Edmund Culpeper, Gunter Type Brass Rule

Estimate: £1,500 - £2,500

Fees apply

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Lot 280 - W & S Jones, Large Sector

Estimate: £800 - £1,200

Fees apply

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Lot 281 - An Important Slide Rule By Dr. Roget

Estimate: £3,000 - £5,000

Fees apply

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Lot 282 - B. Scott Brass Square

Estimate: £500 - £700

Fees apply

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Lot 283 - 19th Century Comparative Measures Rule or International Measures Rule

Estimate: £80 - £120

Current bid £65

Fees apply

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Lot 284 - Benjamin Scott, Brass Gunter Type Rule

Estimate: £1,000 - £2,000

Fees apply

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Lot 285 - 2 Large Boxwood Sectors

Estimate: £80 - £120

Current bid £65

Fees apply

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Lot 286 - A Roberts Sliding Gunter Rule, W & S Jones, London

Estimate: £2,000 - £3,000

Fees apply

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Lot 287 - Collection of 3 English Brass Sectors

Estimate: £100 - £200

Fees apply

CANNOT CONNECT

Lot 288 - Large 9" Brass Sector

Estimate: £100 - £200

Fees apply

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