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Patent:GB189503186
| Patent: | GB 189503186 |
| Titel: | Improvements in Planimeters, and Appliances to be employed therewith |
| Datum: | 20.07.1895 |
| Ort: | Richmond, Virginia, USA |
| Land: | Großbritannien |
| Person: | Willis, Edward (P) |
| Firma: | |
| Links im Rechnerlexikon: | Planimeter, Improved Willis Planimeter |
| Schlagworte: | |
| Link zum Patentamt: (ohne Garantie) |  GB189503186 |
Aus der Patentschrift GB189503186
"My invention relates to planimeters, such as are used for measuring areas, and consists in improvements in the construction of such planimeters, and in appliances whereby the mean effective pressure, and horse-power of a steam engine, can be read from an indicator diagram, without requiring calculation." (Aus der Patentschrift)
- DATUM: 20.07.1895
- TITEL: Improvements in Planimeters, and Appliances to be employed therewith.
- PERSON: WILLIS EDWARD JONES US