IBM 407 accounting machine
E974502
UNEXPLORED
The IBM 407 accounting machine was an electromechanical punched-card tabulator widely used in mid-20th-century business data processing for tasks such as billing, payroll, and general accounting.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IBM 407 accounting machine canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12035421 — 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: IBM 407 accounting machine Context triple: [IBM 604, usedInCombinationWith, IBM 407 accounting machine]
-
A.
IBM 402 accounting machine
The IBM 402 accounting machine was an electromechanical tabulator widely used in the mid-20th century for business data processing tasks such as sorting, tabulating, and printing information from punched cards.
-
B.
IBM 521 card punch
The IBM 521 card punch was an electromechanical unit record machine used to punch, read, and process data on punched cards in early IBM data processing systems.
-
C.
IBM punched card tabulators
IBM punched card tabulators were electromechanical data-processing machines that read, sorted, and summarized information stored on punched cards for business, scientific, and government applications before the advent of modern computers.
-
D.
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.
-
E.
IBM 605
The IBM 605 was an early electronic calculating machine introduced in the 1940s that automated complex arithmetic operations for business and scientific applications.
- 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: IBM 407 accounting machine Target entity description: The IBM 407 accounting machine was an electromechanical punched-card tabulator widely used in mid-20th-century business data processing for tasks such as billing, payroll, and general accounting.
-
A.
IBM 402 accounting machine
The IBM 402 accounting machine was an electromechanical tabulator widely used in the mid-20th century for business data processing tasks such as sorting, tabulating, and printing information from punched cards.
-
B.
IBM 521 card punch
The IBM 521 card punch was an electromechanical unit record machine used to punch, read, and process data on punched cards in early IBM data processing systems.
-
C.
IBM punched card tabulators
IBM punched card tabulators were electromechanical data-processing machines that read, sorted, and summarized information stored on punched cards for business, scientific, and government applications before the advent of modern computers.
-
D.
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.
-
E.
IBM 605
The IBM 605 was an early electronic calculating machine introduced in the 1940s that automated complex arithmetic operations for business and scientific applications.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.