Tangent Galvanometer
Bibliography
Nineteenth-century Scientific instruments. London Berkely:Sotheby Publications University of California Press,1983 A manual of experiments in physics: Laboratory instructions for College Classes.Joseph Sweetman Ames, William Julian Albert Bliss. Maxwell, James. Treatise on electricity and magnetism. Cambridge: Cambridge University Press, 2010. Introduction to Physical Science by Alfred.D.Bage,Forgotten books