Babbage Difference Engine No. 2
GPTKB entity
Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
calculator
|
| gptkbp:basedOn |
Babbage's original plans
|
| gptkbp:builtBy |
gptkb:Science_Museum,_London
|
| gptkbp:designedBy |
gptkb:Charles_Babbage
1847-1849 |
| gptkbp:displayedAt |
gptkb:Science_Museum,_London
gptkb:Computer_History_Museum,_Mountain_View |
| gptkbp:height |
7 feet
|
| https://www.w3.org/2000/01/rdf-schema#label |
Babbage Difference Engine No. 2
|
| gptkbp:length |
11 feet
|
| gptkbp:location |
gptkb:Science_Museum,_London
gptkb:Computer_History_Museum,_Mountain_View |
| gptkbp:material |
gptkb:steel
brass |
| gptkbp:output |
printed tables
|
| gptkbp:pieceCount |
8000
|
| gptkbp:purpose |
calculate polynomial functions
|
| gptkbp:significance |
demonstrates feasibility of Babbage's design
|
| gptkbp:technology |
mechanical
|
| gptkbp:type |
automatic mechanical calculator
|
| gptkbp:weight |
5 tons
|
| gptkbp:yearFirstBuilt |
1991
|
| gptkbp:bfsParent |
gptkb:Computer_History_Museum_(Mountain_View)
|
| gptkbp:bfsLayer |
8
|