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| To verify the calibration a bar with a needle and a dip to receive the pointer of the planimeter is used. Making a full circle by rotating the bar around the needle describes a circular area of exactly 100cm2. | |
| Total images: 11 | Help | |
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| To verify the calibration a bar with a needle and a dip to receive the pointer of the planimeter is used. Making a full circle by rotating the bar around the needle describes a circular area of exactly 100cm2. | |
| Total images: 11 | Help | |