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 581
ht of the brightest part ofthe mantle. It is well to have a vertical wire fastened across thishole. In place of this a spiral incandescent lamp can be used. * No. LXXXIII. Scale (SS, Fig. 305) not less than 1 m. long, indivisions of about 2.5 cm., on tracing-cloth, properly supported, foruse with… … Fig. 307. No. LXXXV. An alarm-bell small enough to go under the bell-jar which accompanies No. V. (See § 322.) f If a mirror is placed in the path of the rays emerging from thegalvanometer, they can be brought to a focus on an opaque screenplaced on the wall above the galvanometer. See Fig. 16 in…
Physics
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