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Dividing engine at the Michigan Museum of Surveying
Dividing engine at the Michigan Museum of Surveying
Dividing engine at the Museo Galileo in Florence.
Dividing engine at the Museo Galileo in Florence.
Circular Dividing Engine
Circular Dividing Engine
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A slide rule. This is an example of a mathematical instrument with graduated logarithmic and log-log scales.
A slide rule. This is an example of a mathematical instrument with graduated logarithmic and log-log scales.
A half circle protractor graduated in degrees (180°).
A half circle protractor graduated in degrees (180°).