336 / | HD | INDUCTOR DEVICES |
115 | DF | RELATIVELY MOVABLE COILS {5} |
122 | DF | .~ Angularly movable {3} |
125 | .~.~ About axis normal to other coil axis {3} | |
126 | DF | .~.~.~> Plural coils movable with respect to a coil |
127 | DF | .~.~.~> Similar spherical-shaped coils |
128 | DF | .~.~.~> Tubular stationary coil |