Babbage Difference Engine

URI: https://gptkb.org/entity/Babbage_Difference_Engine
GPTKB entity
Statements (34)
Predicate Object
gptkbp:instanceOf calculator
gptkbp:accuracy 31 decimal digits
gptkbp:builtBy gptkb:Science_Museum,_London
gptkbp:category gptkb:mathematics
history of computing
mechanical engineering
gptkbp:component gears
levers
axles
gptkbp:designedBy 1822
gptkbp:exhibitedAt gptkb:Science_Museum,_London
gptkb:Computer_History_Museum,_Mountain_View
gptkbp:firstCompleteModelBuilt 1991
gptkbp:fundedBy gptkb:Parliament_of_the_United_Kingdom
gptkbp:height 2.1 meters
https://www.w3.org/2000/01/rdf-schema#label Babbage Difference Engine
gptkbp:influenced modern computers
analytical engine
gptkbp:inventedBy gptkb:Charles_Babbage
gptkbp:locationOfPrototype gptkb:Science_Museum,_London
gptkbp:material gptkb:steel
brass
gptkbp:maximumDepth 0.5 meters
gptkbp:notableFor first automatic mechanical calculator
gptkbp:provides hand crank
gptkbp:purpose calculate polynomial functions
automate mathematical tables
gptkbp:relatedTo gptkb:Ada_Lovelace
analytical engine
gptkbp:status prototype only in Babbage's lifetime
gptkbp:weight 5 tons
gptkbp:width 3.4 meters
gptkbp:bfsParent gptkb:Computer_History_Museum
gptkbp:bfsLayer 4