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| Box with the planimeter, the calibration bar and the heavy prismatic foot which has an opening to receive the cylinder at the right end of the first arm. | |
| Total images: 11 | Help | |
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| Box with the planimeter, the calibration bar and the heavy prismatic foot which has an opening to receive the cylinder at the right end of the first arm. | |
| Total images: 11 | Help | |