Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 239
Figure 242.—-The Standard Meter. … Figure 243.— United States National Prototype Meter Bar,Bureau of Standards, Washington, D. C THE TWO SYSTEMS COMPARED 229 269. The Metric System. — The same quantities can bemeasured in the metric system, but the units are different.The unit of length is the meter (m.); and it is defined as…
Physics
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