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Pupils must learn to think of quantity in metric units. 319. All units in the metric system of measures and weights are derived from the primary unit known as the meter. When the length of the primary unit of this system was determined it was supposed...
A Complete Arithmetic ... - Σελίδα 363
των Frank H. Hall - 1899 - 447 σελίδες
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## The Teaching of Arithmetic: A Manual for Teachers, a Textbook for Teacher ...

Joseph Clifton Brown, Lotus Delta Coffman - 1924 - 391 σελίδες
...name of the system is derived from the French word metre, meaning "to measure." The meter was defined to be one ten-millionth of the distance from the equator to the pole, and this was taken as the standard of linear measure. All other units of the system were correlated...

## Instruction Guide: Elementary Optics and Applications to Fire Control ...

United States. War Department - 1945 - 211 σελίδες
...Employed in Optics 122. METRIC SYSTEM. a. The meter, which is the basis of the metric system, is intended to be one ten-millionth of the distance from the equator to the pole, measured on the meridan of the earth. All units of linear measurement of the metric system are multiples...