Photographs, Optical Toys & Science

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

Sold for £2,250

Result including buyers premium

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

Sold for £3,250

Result including buyers premium

Lot 243 - Odhner, Willgodt Theophil, Arithmometer

Sold for £4,375

Result including buyers premium

Lot 244 - Thomas de Colmar Arithmometer, Mechanical Calculator

Sold for £1,375

Result including buyers premium

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

Sold for £938

Result including buyers premium

Lot 246 - Collection of 3 Bri-Cal Adding Machines

Sold for £362

Result including buyers premium

Lot 247 - Thomas Dunn, Circular TIme Table

Sold for £106

Result including buyers premium

Lot 248 - 5" Halden Calculex Circular Slide Rules

Sold for £300

Result including buyers premium

Lot 249 - W. Waddington, Lords Calculator

Sold for £375

Result including buyers premium

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

Sold for £250

Result including buyers premium

Lot 251 - Fowler & Co. Double Sided Artillary Calculator

Sold for £200

Result including buyers premium

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

Sold for £212

Result including buyers premium

Lot 253 - Edward Wilsons 'Pocket Watch' Slide Rule

Sold for £500

Result including buyers premium

Lot 254 - Early First Form, Fowler's Calculator

Sold for £400

Result including buyers premium

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

Sold for £250

Result including buyers premium

Lot 256 - Fuller's Calculator

Sold for £212

Result including buyers premium

Lot 257 - Stanley & Co, Fuller Calculator

Sold for £225

Result including buyers premium

Lot 258 - Bakelite Fuller's Calculator

Sold for £350

Result including buyers premium

Lot 259 - Curta II Calculator

Sold for £975

Result including buyers premium

Lot 260 - Stanley 100-inch Slide Rule

Sold for £350

Result including buyers premium

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

Sold for £350

Result including buyers premium

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

Sold for £438

Result including buyers premium

Lot 263 - Lord's Cotton Cloth Coster

Sold for £262

Result including buyers premium

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

Sold for £150

Result including buyers premium

Lot 265 - Holtzapffel & Co. Proportional Dividers

Sold for £88

Result including buyers premium

Lot 266 - Messer, Unusually Small Pantograph

Sold for £275

Result including buyers premium

Lot 267 - B. Martin, Protractor

Sold for £325

Result including buyers premium

Lot 268 - Adams, A Fine Set of Gunners Calipers

Sold for £2,250

Result including buyers premium

Lot 269 - Farey Ellipsograph

Sold for £3,625

Result including buyers premium

Lot 270 - A Large & Complex Victorian Ellipsograph

Sold for £2,000

Result including buyers premium

Lot 271 - 2 19th Century Swing Arm Protractors

Sold for £225

Result including buyers premium

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

Sold for £150

Result including buyers premium

Lot 273 - 2 19th Century Swing Arm Protractors

Sold for £275

Result including buyers premium

Lot 274 - 2 Large 19th Century Swing Arm Protractors

Sold for £312

Result including buyers premium

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

Estimated at £50 - £100

Lot 276 - An Important Map Measuring Instrument

Sold for £1,375

Result including buyers premium

Lot 277 - Collection of Scales

Sold for £3,750

Result including buyers premium

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

Sold for £2,750

Result including buyers premium

Lot 279 - Edmund Culpeper, Gunter Type Brass Rule

Sold for £1,625

Result including buyers premium

Lot 280 - W & S Jones, Large Sector

Sold for £900

Result including buyers premium

Lot 281 - An Important Slide Rule By Dr. Roget

Sold for £5,000

Result including buyers premium

Lot 282 - B. Scott Brass Square

Sold for £625

Result including buyers premium

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

Sold for £812

Result including buyers premium

Lot 284 - Benjamin Scott, Brass Gunter Type Rule

Sold for £625

Result including buyers premium

Lot 285 - 2 Large Boxwood Sectors

Sold for £688

Result including buyers premium

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

Sold for £5,000

Result including buyers premium

Lot 287 - Collection of 3 English Brass Sectors

Sold for £725

Result including buyers premium

Lot 288 - Large 9" Brass Sector

Sold for £650

Result including buyers premium