MONIAC hydraulic computer
E862172
The MONIAC hydraulic computer is an analog machine that uses flowing water through tanks and pipes to simulate and visualize the behavior of a national economy.
All labels observed (1)
| Label | Occurrences |
|---|---|
| MONIAC hydraulic computer canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10414201 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: MONIAC hydraulic computer Context triple: [A. W. Phillips, knownFor, MONIAC hydraulic computer]
-
A.
Colossus computers
Colossus computers were pioneering British electronic computing machines built during World War II to help decrypt high-level German communications at Bletchley Park.
-
B.
Harvard Mark I computer
The Harvard Mark I computer was an early electromechanical, general-purpose computer built during World War II that pioneered the separation of data and instruction storage later known as the Harvard architecture.
-
C.
Ferranti Mark I computer
The Ferranti Mark I computer was one of the world’s first commercially available general-purpose electronic computers, developed in the early 1950s from the Manchester Mark I design.
-
D.
ORDVAC
ORDVAC was an early stored-program electronic computer built for the U.S. Army that helped pioneer modern computer architecture and numerical computation.
-
E.
Harvard Mark IV computer
The Harvard Mark IV computer was an early fully electronic, stored-program computer built at Harvard University in the late 1940s–early 1950s as part of the Mark series of pioneering computing machines.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: MONIAC hydraulic computer Target entity description: The MONIAC hydraulic computer is an analog machine that uses flowing water through tanks and pipes to simulate and visualize the behavior of a national economy.
-
A.
Colossus computers
Colossus computers were pioneering British electronic computing machines built during World War II to help decrypt high-level German communications at Bletchley Park.
-
B.
Harvard Mark I computer
The Harvard Mark I computer was an early electromechanical, general-purpose computer built during World War II that pioneered the separation of data and instruction storage later known as the Harvard architecture.
-
C.
Ferranti Mark I computer
The Ferranti Mark I computer was one of the world’s first commercially available general-purpose electronic computers, developed in the early 1950s from the Manchester Mark I design.
-
D.
ORDVAC
ORDVAC was an early stored-program electronic computer built for the U.S. Army that helped pioneer modern computer architecture and numerical computation.
-
E.
Harvard Mark IV computer
The Harvard Mark IV computer was an early fully electronic, stored-program computer built at Harvard University in the late 1940s–early 1950s as part of the Mark series of pioneering computing machines.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
analog computer
ⓘ
economic simulator ⓘ hydraulic computer ⓘ |
| acronymFor | Monetary National Income Analogue Computer NERFINISHED ⓘ |
| alsoKnownAs |
MONIAC
NERFINISHED
ⓘ
Monetary National Income Analogue Computer NERFINISHED ⓘ Phillips Machine NERFINISHED ⓘ |
| computingPrinciple | hydraulic analogy ⓘ |
| controlMethod | manual adjustment of valves ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designedFor |
economic research demonstration
ⓘ
teaching macroeconomics ⓘ |
| developerAffiliation | London School of Economics NERFINISHED ⓘ |
| era | post-World War II period ⓘ |
| fieldOfUse |
economic education
ⓘ
macroeconomics ⓘ systems dynamics ⓘ |
| hasComponent |
pipes
ⓘ
pumps ⓘ tanks ⓘ valves ⓘ |
| historicalSignificance |
early analog computer for economics
ⓘ
pioneering macroeconomic teaching tool ⓘ |
| inception | 1949 ⓘ |
| influenced | later economic simulation models ⓘ |
| inventor | Bill Phillips NERFINISHED ⓘ |
| mainFunction |
simulate macroeconomic processes
ⓘ
simulate national income flows ⓘ visualize behavior of a national economy ⓘ |
| material |
metal framework
ⓘ
plexiglass ⓘ |
| notableFeature | physical embodiment of Keynesian economic model ⓘ |
| numberOfUnitsBuilt | approximately 14 ⓘ |
| powerSource | electric pump ⓘ |
| representationMethod |
water flows represent monetary flows
ⓘ
water levels represent monetary stocks ⓘ |
| represents |
consumption
ⓘ
exports ⓘ government spending ⓘ imports ⓘ investment ⓘ national income ⓘ taxation ⓘ |
| scale | room-sized machine ⓘ |
| usedAt |
London School of Economics
NERFINISHED
ⓘ
universities in New Zealand ⓘ universities in the United Kingdom ⓘ universities in the United States ⓘ |
| usesMedium | water ⓘ |
| visualizationType |
graduated tanks and gauges
ⓘ
visible water flows ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: MONIAC hydraulic computer Description of subject: The MONIAC hydraulic computer is an analog machine that uses flowing water through tanks and pipes to simulate and visualize the behavior of a national economy.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.