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 569
p and raised a fewmillimeters from the surface. (It is quite as well to make the board in 2-inch squares as in 5-cm.squares. Some teachers prefer a board of half the size here described,marked off in inch squares, to be used with spring-balances smallerthan No. 50.) No. 75. A bed for No. 50, to… … Fig. 296. Tc* 1 *5 •» . ^/V, (J -\j ■ 1 <** ^_+_ -y_0 L □ I . 1 Fig.297. No. 76. Two strong brass carriages (see Fig. 298), each largeenough to hold about 1 kgm. of iron and sufficiently well made tocontinue in motion after being gently started down an incline of1 in 50. To each carriage is…
Physics
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