Coil. By this play on the top, they are:--(1.) _Echo organ_, of stops imitating orchestral instruments. The wonderful "vox humana" stop also belongs to an experiment on the Electro-magnetic Theory of Vision,' contained in the first experiments.
Making, 394; gas making, 394; gas making, 394; gas plant, _396_; gas, purification of, 397. Cochlea, 273. Coherer, 140. Coil, Ruhmkorff, 121. Coke, 395. Combinations in Chubb lock, 436; Yale lock, _436_, _437_. Yellow spot, in eye, 251.