| Place | Oceania: Australia, Queensland |
|---|---|
| Accession Number | RELAWM27265 |
| Collection type | Technology |
| Object type | Technology |
| Maker |
Maruzen Calculating Machine Co. Ltd. Maruzen Calculating Machine Co. Ltd. |
| Place made | Japan |
| Date made | c1939-1945 |
| Conflict |
Second World War, 1939-1945 |
Maruzen Mechanical Calculator: Model 18
Description
Japanese mechanical high speed mathematical calculator. Pinwheel type with rotating cursors. It is a development of an original design invented in 1873 by W. T. Odhner, a Swedish migrant to Russia. The Odhner type was the most common mechanical calculator until the mid 1960s, when electronic calculators became more widely available.
History / Summary
Provenance unknown.