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Orthogonal Planimeter
| Marking: | Patent von Wetli und Starke |
| Serial Number | 113 |
| Year: | ca. 1860 |
| Size: | 51 x 28 x 16.5 cm |
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Polar Planimeter
| Marking: | J. Goldschmid in Zürich |
| Year: | ca. 1870 |
| Size: | 28.5 x 5 x 4 cm |
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Line Chart Planimeter
| Marking: | Richard Frères Constructeurs Brevetés Paris |
| Serial Number: | 28356 |
| Year: | ca. 1895 |
| Size: | 35 x 24.5 x 22 cm |
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Hyperbola Graph
| Marking: | Hyperbeltafel ed. M. Kloth |
| Year: | ca. 1910 |
| Size: | 25.5 x 19.5 x 1 cm |
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Hyperbola Graph
| Marking: | Hyperbeltafel nach M. Kloth, Versandhaus Schmidt & Susse K.-G. Kassel |
| Year: | 1949 |
| Size: | 25.5 x 19.5 x 0.5 cm |
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Harp Planimeter
| Marking: | Albert Nestler A.-G. Lahr |
| Year: | ca. 1930 |
| Size: | 28.5 x 20.5 x 2 cm |
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