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When was the ruler invented?
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When was the ruler invented?
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A ruler, sometimes called a ... Anton Ullrich invented the folding ruler in 1851. Frank Hunt later made the flexible ruler in 1902. Curved and ...
When was the Ruler invented? raman December 13, ... In the year 1851, the folding ruler was invented by Anton Ullrich. Technology . Post navigation
Around 1622, the circular and rectangular slide rule was invented by Episcopalean minister William Oughtred. ... History of the Slide Rule
History of Mathematics : Who Invented the Ruler? eHow. Subscribe Subscribed Unsubscribe 507,180 507K. Loading... Loading... Working... Add to.
Educational Tools : Who Invented the Ruler? Added by Wanda Collins on March 13, ... The ruler was invented in the 16th century by William Bedwell, ...
Weights and Measures . 2. ... Weights and measures were among the earliest tools invented ... The first calibrated foot ruler, a measurement tool, was ...
The invention of the ruler dates back to ancient civilizations, such as the Greeks and Egyptians. Used to make measurements in a straight line, the first ...
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When was the Ruler invented? Prior to 1500 B.C, the Indus Valley Civilization used ruler made of ivory. In the year 1851, ...
Geometry: Who invented the ruler? ... (that's a commonly used method, particularly for long straight lines where making a long enough ruler would be hard).
The ruler was invented in the 16th century by William Bedwell, and it is used for drawing straight lines and taking measurements. Use a ruler ...
In cases where not even the exact year of the beginning or end of a ruler's term is known, the asterisk (*) ... indicates female rulers.
Who Invented the Ruler? By Steve Jones. eHow Presenter Pin Share ...
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