Allen, Charles Ricketson, 1862- [from old catalog] · New York, H. Holt and company · leaf 45
o test the water, place the naked ends of the wires in a tumblerof water. Note and record anything going on in the tumbler, aswell as the reading of the galvanometer. Then add to the water 10or 12 drops of sulphuric acid, and repeat your observations. 32 CURRENT ELECTRICITY. two single ends, a a,… … M.C.Fig. 18. sist of, 1, 5 and 10 yards No. 28 copper wire ; 2, 20 yardsNo. 28 copper wire; 3, 5 yards No. 24 (larger cross-section)copper wire; 4, 5 yards German-silver wire, No. 24 or No.28, as labelled, same cross-section as one of the coils ofcopper wire of 5-meter length. Insert in turn 5, 10,…
Physics
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