Practical electricity .. with questions and answers (1911)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 13
Figure 1 Resistance offered to flow of water through a long crooked pipe.Discharge in gallons per minute corresponding to amperes. ^ 3 The resistance offered by the long, small, ^crooked pipeto the flow of the water corresponds to the resistance of-fered by a wire to the flow of the electrical…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.