Practical radiography : a handbook for physicians, surgeons, and other users of X-rays (1901)
Isenthal, A. W, Ward, H. Snowden (Henry Snowden), 1865-1911 · London : Published for The Photogram, Ltd. by Dawbarn and Ward, Ltd. · leaf 87
750 Fie. 32. Diagram 34 shows for the same sample of iron as above thecorresponding magnetic curve, and it is obvious thatfor the same period of contact as above (1J0 0) we obtain a much higher magnetization. The first of the above methods, i.e. reducing the … 500 ^TlME Fie. 33. frequency and prolonging the contact (by raising thelevel of the mercury against the dipper), has often to beresorted to when working large coils from a few cells, andit is one of the advantages of mercury breaks that this canbe effected within wider limits and much more reliably…
Radiography · X-rays
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
