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Polar Planimeter
Marking: | Ott & Coradi Kempten |
Serial Number: | 7 |
Year: | ca. 1875 |
Size: | 29 x 14 x 5 cm |
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Polar Planimeter
Marking: | Ott & Coradi Kempten |
Serial Number: | 76 |
Year: | ca. 1878 |
Size: | 29 x 14 x 5 cm |
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Polar Planimeter
Marking: | Ott & Coradi Kempten |
Serial Number: | 336 |
Year: | 1883 |
Size: | 35 x 11 x 6.5 cm |
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