Schickard calculating clock
E809516
The Schickard calculating clock was an early 17th-century mechanical calculator designed by Wilhelm Schickard, often regarded as one of the first known attempts to build an automatic computing machine.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Schickard calculating clock canonical | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
early computing machine
ⓘ
mechanical calculator ⓘ |
| alsoKnownAs |
Rechen Uhr
NERFINISHED
ⓘ
Schickard’s calculating clock NERFINISHED ⓘ |
| causeOfDestruction | fire ⓘ |
| computationalMethod |
digit-wise mechanical addition
ⓘ
mechanical carry propagation ⓘ |
| computes |
addition
ⓘ
subtraction ⓘ |
| countryOfOrigin | Duchy of Württemberg NERFINISHED ⓘ |
| designedFor | reducing computational labor ⓘ |
| designer | Wilhelm Schickard NERFINISHED ⓘ |
| documentedIn | correspondence with Johannes Kepler ⓘ |
| era | Scientific Revolution NERFINISHED ⓘ |
| field |
history of computing
ⓘ
mechanical engineering ⓘ |
| followedBy |
Leibniz calculator
NERFINISHED
ⓘ
Pascaline NERFINISHED ⓘ |
| hasComponent |
carry mechanism wheels
ⓘ
display windows ⓘ input dials ⓘ |
| hasFeature |
Napier’s bones integration
ⓘ
automatic carry mechanism ⓘ gear-based mechanism ⓘ |
| historicalSignificance |
early attempt at automatic computation
ⓘ
one of the first known mechanical calculators ⓘ |
| inception |
1623
ⓘ
early 17th century ⓘ |
| influenced | later mechanical calculators ⓘ |
| intendedUser | Johannes Kepler NERFINISHED ⓘ |
| languageOfOriginalName | German ⓘ |
| locatedInPresentDay | Germany NERFINISHED ⓘ |
| material |
metal gears
ⓘ
wood ⓘ |
| notableAs | precursor of modern calculators ⓘ |
| numberOfDigits | 6 ⓘ |
| powerSource | manual hand operation ⓘ |
| precededBy | manual calculation methods ⓘ |
| reconstructed | 20th century ⓘ |
| reconstructionBasedOn |
Schickard’s letters
ⓘ
historical drawings ⓘ |
| status | original devices destroyed ⓘ |
| useCase | astronomical calculations ⓘ |
| uses |
decimal number system
ⓘ
rotating gears ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.