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Napier's calculating machines, 17th century (after 1617). In a case with doors and thirty drawers are kept the counters of two abacuses, designed by the Scottish mathematician John Napier (1550-1617). The first abacus consists of sixty numbered rods, called "Napier's bones". It was widely spread in Europe, being used as a portable abacus until the 18th century. The second one, called promptuary, is composed of about three hundred numbered and perforated strips for fast multiplications. Verawood with ivory inlay. National Archaeological Museum. Madrid. Spain.

Napier's calculating machines, 17th century (after 1617). In a case with doors and thirty drawers are kept the counters of two abacuses, designed by the Scottish mathematician John Napier (1550-1617). The first abacus consists of sixty numbered rods, called "Napier's bones". It was widely spread in Europe, being used as a portable abacus until the 18th century. The second one, called promptuary, is composed of about three hundred numbered and perforated strips for fast multiplications. Verawood with ivory inlay. National Archaeological Museum. Madrid. Spain.
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Caption:
Napier's calculating machines, 17th century (after 1617). In a case with doors and thirty drawers are kept the counters of two abacuses, designed by the Scottish mathematician John Napier (1550-1617). The first abacus consists of sixty numbered rods, called "Napier's bones". It was widely spread in Europe, being used as a portable abacus until the 18th century. The second one, called promptuary, is composed of about three hundred numbered and perforated strips for fast multiplications. Verawood with ivory inlay. National Archaeological Museum. Madrid. Spain.
Location:
National Archaeological Museum. Madrid. Spain.
Credit:
Album / Prisma
Releases:
Model: No - Property: No
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Image size:
4016 x 3101 px | 35.6 MB
Print size:
34.0 x 26.3 cm | 13.4 x 10.3 in (300 dpi)
Keywords:
17 CENTURY • 17TH CENTURY • 17TH • ABACUS CARDS • ABACUS • ABACUS, MATHEMATICS • ABACUSES • APPARATUS • APPLIANCE • ATRIUM • BOARD • BOX • BRITAIN • CALCULATE • CALCULATING DEVICE • CALCULATING MACHINE • CALCULATING MACHINES • CALCULATING • CALCULATION • CALCULATIONS • CALCULATOR • CALCULI • CASE • CASKET • CHEST • CHIPS • COFFER • DEVICE • DIVIDE • DIVISION • DIVISIONS • DOOR • DOORS • DOORWAY • DRAWER • DRAWERS • ENGLAND • EUROPA • EUROPE • EUROPEA • EUROPEAN • EUROPEANS • EXCISED • FURNITURE • GATE • GREAT BRITAIN • HISTORIA UNIVERSAL • HISTORIA • HISTORY • INSTRUMENT • INSTRUMENT: SCIENTIFIC • IOANNES NEPER • JOHN NAPIER • LUMBER • MARVELLOUS MERCHISTON • MASK STRIPS • MATHEMATICAL • MATHEMATICIAN • MATHEMATICS • MATHEMATICS, ABACUS • MATHEMATICS, NAPIER BONES • MODERN AGE • MODERN ERA • MODERN PERIOD • MULTIPLICATION • MULTIPLICATIONS • MULTIPLY • NAPIER BONES • NAPIER'S BONES ABACUS CARDS • NAPIER'S BONES, MATHEMATIC • NAPIER • NAPIERS BONES ABACUS CARDS • NAPIERS BONES • NATIONAL ARCHAEOLOGICAL MUSEUM. MADRID. SPAIN. • NEPER • NUMBER STRIPS • NUMBERED • NUMERACION • NUMERATION • PASCAL TRIANGLE • PASCALS TRIANGLE • PERFORATED STRIPS • PERFORATED • PORCH • PORTABLE • PORTAL • PORTICO DE LA GLORIA • PORTICO • PROMPTUARY • RABDOLOGY • RHABDOLOGICAL ABACUS • RHABDOLOGICAL • RHABDOLOGY • ROD • RODS • S. XVII • SCIENTIFIC INSTRUMENT • SCIENTIFIC INSTRUMENTS • SCOTLAND UNITED KINGDOM • SCOTLAND • SCOTTISH • SEPARATION • SEVENTEENTH CENTURY • SPLIT • STRIP • STRIPS • THEATER BOX • THEATRE BOX • TIMBER • TOKEN, CHESSMEN • UK • UNITED KINGDOM • VARA • VERAWOOD • WOOD • WOODEN • XVII CENTURY • XVII