A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 96
e bar. In such cases theweight of the lever itself does not tend to make the bartip in either direction from its horizontal position. 68. Classes of Levers.—In the levers which we havestudied thus far the support, or fulcrum as it is often called,lies between the lines of suspension of two weights.…
Physics
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