| 摘要 |
13328 Apparatus is described for determining cutinous points in an animal body, (for example a human body) where two metallic points make contact with the body. In use the body and metallic points complete a circuit including resistors, a transistor, transformer and loudspeaker. When a cutinous point on the body is located the sound through the loudspeaker changes or some other indication is given. |
