Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 459
04 .1993 26487.84 40 3.144 9.88 7.7635 .03 .1580 33410.05 *1 mile pure copper wire 13.59 ohms at 15.5° C. or 1-16 in. diam. ~ 59.9* F. 1 circular mil is .7854 square mil. CHAPTER III Current Generation in Dynamos — Dynamos — Brushes andCommutators. Current Generation in Dynamos. If we take a coil… … FIGURE 15. we have inserted the magnet and it has come torest the galvanometer needle will return to its normalposition. When we withdraw the magnet the deflec-tion of the needle will be in the opposite direc-tion. If the magnet is inserted or withdrawn witha veiy quick motion, the deflection will…
