10302589
Napier's Bones, 1671-1700.
10302589
Napier's Bones, 1671-1700.
10198945
Sir Samuel Morland, English diplomatist, mathematician and inventor, c 1660.
10198945
Sir Samuel Morland, English diplomatist, mathematician and inventor, c 1660.
10300540
Leon Bollee, French inventor of the first calculating machine, 1910s.
10300540
Leon Bollee, French inventor of the first calculating machine, 1910s.
10302042
Ada King, Countess of Lovelace, 1840.
10302042
Ada King, Countess of Lovelace, 1840.
10302546
Willgodt T Odhner, Russian inventor, c 1890.
10302546
Willgodt T Odhner, Russian inventor, c 1890.
10302807
Sir Samuel Morland, English diplomatist, mathematician and inventor, c 1660.
10302807
Sir Samuel Morland, English diplomatist, mathematician and inventor, c 1660.
10317045
Napier's Bones, 1671-1700.
10317045
Napier's Bones, 1671-1700.
10305214
Citizen MT-814 calculator, 1996.
10305214
Citizen MT-814 calculator, 1996.
10297676
Babbage's Analytical Engine, 1834-1871.
10297676
Babbage's Analytical Engine, 1834-1871.
10302622
Pascal's calculating machine, 1642.
10302622
Pascal's calculating machine, 1642.
10302625
Pascal's calculating machine, 1642.
10302625
Pascal's calculating machine, 1642.
10302632
Thomas De Colmar's Arithmometer, c 1890.
10302632
Thomas De Colmar's Arithmometer, c 1890.
10303273
Punched cards for Babbage's Analytical Engine, 1834-1871.
10303273
Punched cards for Babbage's Analytical Engine, 1834-1871.
10303291
Gearwheel cut-outs for Babbage's Difference Engine No 1, 1824-1832.
10303291
Gearwheel cut-outs for Babbage's Difference Engine No 1, 1824-1832.
10303296
Scheutz Difference Engine No 3, 1859.
10303296
Scheutz Difference Engine No 3, 1859.
10303333
Reg Crick operating Babbage's Difference Engine No 2.
10303333
Reg Crick operating Babbage's Difference Engine No 2.
10303337
Babbage's Difference Engine No 2, 1991.
10303337
Babbage's Difference Engine No 2, 1991.
10303348
The figure wheels of Babbage's Difference Engine No 2, 1991.
10303348
The figure wheels of Babbage's Difference Engine No 2, 1991.
10303349
The figure wheels of Babbage's Difference Engine No 2, 1991.
10303349
The figure wheels of Babbage's Difference Engine No 2, 1991.
10303351
Addition carriage mechanism of Babbage's Difference Engine No 2, 1991.
10303351
Addition carriage mechanism of Babbage's Difference Engine No 2, 1991.
10303371
Babbage's Difference Engine No 1, 1824-1832.
10303371
Babbage's Difference Engine No 1, 1824-1832.
10303391
Sinclair Cambridge pocket calculator, 1973.
10303391
Sinclair Cambridge pocket calculator, 1973.
10625247
Bonus Bureau, Computing Divison,
10625247
Bonus Bureau, Computing Divison,
10303401
Trial piece for Babbage’s Difference Engine No 2, 1985-91.
10303401
Trial piece for Babbage’s Difference Engine No 2, 1985-91.
10303307
Doron Swade with Babbage's Difference Engine No 2, 2000.
10303307
Doron Swade with Babbage's Difference Engine No 2, 2000.
10303309
Doron Swade with Babbage's Difference Engine No 2, 2000.
10303309
Doron Swade with Babbage's Difference Engine No 2, 2000.
10303310
Doron Swade with Babbage's Difference Engine No 2, 2000.
10303310
Doron Swade with Babbage's Difference Engine No 2, 2000.
10303313
Doron Swade operating Babbage's Difference Engine No 2, 2000.
10303313
Doron Swade operating Babbage's Difference Engine No 2, 2000.
10303316
Doron Swade operating Babbage's Difference Engine No 2, 2000.
10303316
Doron Swade operating Babbage's Difference Engine No 2, 2000.
10303319
Doron Swade operating Babbage's Difference Engine No 2.
10303319
Doron Swade operating Babbage's Difference Engine No 2.
10303322
Doron Swade operating Babbage's Difference Engine No 2.
10303322
Doron Swade operating Babbage's Difference Engine No 2.
10303323
Doron Swade operating Babbage's Difference Engine No 2.
10303323
Doron Swade operating Babbage's Difference Engine No 2.
10303325
Doron Swade operating Babbage's Difference Engine No 2.
10303325
Doron Swade operating Babbage's Difference Engine No 2.
10303328
Doron Swade operating Babbage's Difference Engine No 2.
10303328
Doron Swade operating Babbage's Difference Engine No 2.
10303336
Reg Crick and Barrie Holloway with Babbage's Difference Engine No 2.
10303336
Reg Crick and Barrie Holloway with Babbage's Difference Engine No 2.
10303359
Babbage's Difference Engine No 2 on display at the Science Museum.
10303359
Babbage's Difference Engine No 2 on display at the Science Museum.
10303363
Babbage's Difference Engine No 2 on display at the Science Museum.
10303363
Babbage's Difference Engine No 2 on display at the Science Museum.
10210432
Henrici's harmonic analyser, 1894.
10210432
Henrici's harmonic analyser, 1894.
10317043
Napier's Bones, 1671-1700.
10317043
Napier's Bones, 1671-1700.
10317044
Napier's Bones, 1671-1700.
10317044
Napier's Bones, 1671-1700.