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 92
vertically above or vertically below its presentplace; that is, from / to e or g, or from b to a or c. Shall we still haveequilibrium? Try. We will now turn the disk a little, so that the lines a b c and e / gwill be no longer quite vertical, and will see whether now a weightat e or at g has just… … has balanced, when left to itself without load. We have,therefore, not had to consider the weight of the lever
Physics
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