Comptometer
E1502408
UNEXPLORED
The Comptometer was an early key-driven mechanical calculator widely used in business and accounting before the advent of electronic calculators.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Comptometer canonical | 3 |
| Comptometer calculators | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T21789932 — 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: Comptometer Context triple: [Dorr Felt, knownFor, Comptometer]
-
A.
Burroughs adding machine
The Burroughs adding machine is a pioneering mechanical calculator that automated arithmetic operations and became widely used in offices and businesses in the late 19th and early 20th centuries.
-
B.
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.
-
C.
IBM 407 accounting machine
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.
-
D.
Remington typewriter
The Remington typewriter was one of the first commercially successful typewriting machines, helping to popularize modern office typing and standardized keyboard layouts in the late 19th century.
-
E.
Monroe Calculating Machine Company
Monroe Calculating Machine Company was an American manufacturer best known for its mechanical and later electronic calculators used widely in business and engineering before the rise of modern computers.
- 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: Comptometer Target entity description: The Comptometer was an early key-driven mechanical calculator widely used in business and accounting before the advent of electronic calculators.
-
A.
Burroughs adding machine
The Burroughs adding machine is a pioneering mechanical calculator that automated arithmetic operations and became widely used in offices and businesses in the late 19th and early 20th centuries.
-
B.
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.
-
C.
IBM 407 accounting machine
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.
-
D.
Remington typewriter
The Remington typewriter was one of the first commercially successful typewriting machines, helping to popularize modern office typing and standardized keyboard layouts in the late 19th century.
-
E.
Monroe Calculating Machine Company
Monroe Calculating Machine Company was an American manufacturer best known for its mechanical and later electronic calculators used widely in business and engineering before the rise of modern computers.
- F. None of above. chosen
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Comptometer