Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 158
rcles, or 128 stationary coils in lies in its simplicity of construction. all. The latter are of an elongated Sir W. Thomson, who is the real inventor shape, wound upon a bit of iron boiler- of this armature, proposed originally plate, bent up to an acute V form, with that the copper strips should… … or otherwise structurally divided at proposed to use as field-magnets a form right angles to the direction of the in- of electro-magnet of the kind known as duced electromotive forces. Roberts's, also used by Joule, in which
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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