The two pointed pieces of hard conducting carbon used for the separated terminals constitute the voltaic arc light--a light only excelled in intense brilliancy by the sun itself. 威廉·亨利·杜利特.世纪发明.
By placing certain mixtures of carbon and sand, or of carbon and clay, between the terminals of a powerful current, a material resembling diamonds, but harder, has been produced. 威廉·亨利·杜利特.世纪发明.
The terminals of the wires _a_ and _b_ extend to the point of utilization of the current, whether this be electric lights, motors, or other applications. Edward W. Byrn.十九世纪发明进展.
An essential part of this relay consists of a swinging PERMANENT magnet, C, whose polarity remains fixed, that end between the terminals of the electromagnet being a north pole. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
When the push button is free, as in Figure 216, the cell terminals are not connected in an unbroken path, and hence the current does not flow. 伯莎M.克拉克.科学通论.
The coherer, invented by Branly in 1891, is a glass tube containing metal filings between two circuit terminals. Edward W. Byrn.十九世纪发明进展.
This armature consists of coils or bobbins of insulated wire, each section having its terminals connected with separate insulated plates on the hub, which plates are known as the commutator. Edward W. Byrn.十九世纪发明进展.